221297328

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:504

約数の個数: 180

約数和(自身を含む): 731396640

約数和(自身を除く): 510099312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 79, 84, 98, 112, 126, 144, 147, 158, 168, 196, 237, 252, 294, 316, 336, 392, 397, 441, 474, 504, 553, 588, 632, 711, 784, 794, 882, 948, 1008, 1106, 1176, 1191, 1264, 1422, 1588, 1659, 1764, 1896, 2212, 2352, 2382, 2779, 2844, 3176, 3318, 3528, 3573, 3792, 3871, 4424, 4764, 4977, 5558, 5688, 6352, 6636, 7056, 7146, 7742, 8337, 8848, 9528, 9954, 11116, 11376, 11613, 13272, 14292, 15484, 16674, 19056, 19453, 19908, 22232, 23226, 25011, 26544, 28584, 30968, 31363, 33348, 34839, 38906, 39816, 44464, 46452, 50022, 57168, 58359, 61936, 62726, 66696, 69678, 77812, 79632, 92904, 94089, 100044, 116718, 125452, 133392, 139356, 155624, 175077, 185808, 188178, 200088, 219541, 233436, 250904, 278712, 282267, 311248, 350154, 376356, 400176, 439082, 466872, 501808, 557424, 564534, 658623, 700308, 752712, 878164, 933744, 1129068, 1317246, 1400616, 1505424, 1536787, 1756328, 1975869, 2258136, 2634492, 2801232, 3073574, 3512656, 3951738, 4516272, 4610361, 5268984, 6147148, 7903476, 9220722, 10537968, 12294296, 13831083, 15806952, 18441444, 24588592, 27662166, 31613904, 36882888, 55324332, 73765776, 110648664, 221297328]

約数ペア:

[(1, 221297328), (2, 110648664), (3, 73765776), (4, 55324332), (6, 36882888), (7, 31613904), (8, 27662166), (9, 24588592), (12, 18441444), (14, 15806952), (16, 13831083), (18, 12294296), (21, 10537968), (24, 9220722), (28, 7903476), (36, 6147148), (42, 5268984), (48, 4610361), (49, 4516272), (56, 3951738), (63, 3512656), (72, 3073574), (79, 2801232), (84, 2634492), (98, 2258136), (112, 1975869), (126, 1756328), (144, 1536787), (147, 1505424), (158, 1400616), (168, 1317246), (196, 1129068), (237, 933744), (252, 878164), (294, 752712), (316, 700308), (336, 658623), (392, 564534), (397, 557424), (441, 501808), (474, 466872), (504, 439082), (553, 400176), (588, 376356), (632, 350154), (711, 311248), (784, 282267), (794, 278712), (882, 250904), (948, 233436), (1008, 219541), (1106, 200088), (1176, 188178), (1191, 185808), (1264, 175077), (1422, 155624), (1588, 139356), (1659, 133392), (1764, 125452), (1896, 116718), (2212, 100044), (2352, 94089), (2382, 92904), (2779, 79632), (2844, 77812), (3176, 69678), (3318, 66696), (3528, 62726), (3573, 61936), (3792, 58359), (3871, 57168), (4424, 50022), (4764, 46452), (4977, 44464), (5558, 39816), (5688, 38906), (6352, 34839), (6636, 33348), (7056, 31363), (7146, 30968), (7742, 28584), (8337, 26544), (8848, 25011), (9528, 23226), (9954, 22232), (11116, 19908), (11376, 19453), (11613, 19056), (13272, 16674), (14292, 15484)]