217921968

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^3\times {\mathrm{379}}^1$

素因数の和:429

約数の個数: 160

約数和(自身を含む): 689836800

約数和(自身を除く): 471914832

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 121, 132, 144, 176, 198, 216, 242, 264, 297, 363, 379, 396, 432, 484, 528, 594, 726, 758, 792, 968, 1089, 1137, 1188, 1331, 1452, 1516, 1584, 1936, 2178, 2274, 2376, 2662, 2904, 3032, 3267, 3411, 3993, 4169, 4356, 4548, 4752, 5324, 5808, 6064, 6534, 6822, 7986, 8338, 8712, 9096, 10233, 10648, 11979, 12507, 13068, 13644, 15972, 16676, 17424, 18192, 20466, 21296, 23958, 25014, 26136, 27288, 31944, 33352, 35937, 37521, 40932, 45859, 47916, 50028, 52272, 54576, 63888, 66704, 71874, 75042, 81864, 91718, 95832, 100056, 112563, 137577, 143748, 150084, 163728, 183436, 191664, 200112, 225126, 275154, 287496, 300168, 366872, 412731, 450252, 504449, 550308, 574992, 600336, 733744, 825462, 900504, 1008898, 1100616, 1238193, 1513347, 1650924, 1801008, 2017796, 2201232, 2476386, 3026694, 3301848, 4035592, 4540041, 4952772, 6053388, 6603696, 8071184, 9080082, 9905544, 12106776, 13620123, 18160164, 19811088, 24213552, 27240246, 36320328, 54480492, 72640656, 108960984, 217921968]

約数ペア:

[(1, 217921968), (2, 108960984), (3, 72640656), (4, 54480492), (6, 36320328), (8, 27240246), (9, 24213552), (11, 19811088), (12, 18160164), (16, 13620123), (18, 12106776), (22, 9905544), (24, 9080082), (27, 8071184), (33, 6603696), (36, 6053388), (44, 4952772), (48, 4540041), (54, 4035592), (66, 3301848), (72, 3026694), (88, 2476386), (99, 2201232), (108, 2017796), (121, 1801008), (132, 1650924), (144, 1513347), (176, 1238193), (198, 1100616), (216, 1008898), (242, 900504), (264, 825462), (297, 733744), (363, 600336), (379, 574992), (396, 550308), (432, 504449), (484, 450252), (528, 412731), (594, 366872), (726, 300168), (758, 287496), (792, 275154), (968, 225126), (1089, 200112), (1137, 191664), (1188, 183436), (1331, 163728), (1452, 150084), (1516, 143748), (1584, 137577), (1936, 112563), (2178, 100056), (2274, 95832), (2376, 91718), (2662, 81864), (2904, 75042), (3032, 71874), (3267, 66704), (3411, 63888), (3993, 54576), (4169, 52272), (4356, 50028), (4548, 47916), (4752, 45859), (5324, 40932), (5808, 37521), (6064, 35937), (6534, 33352), (6822, 31944), (7986, 27288), (8338, 26136), (8712, 25014), (9096, 23958), (10233, 21296), (10648, 20466), (11979, 18192), (12507, 17424), (13068, 16676), (13644, 15972)]