28157976

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1693}}^1$

素因数の和:1726

約数の個数: 128

約数和(自身を含む): 97574400

約数和(自身を除く): 69416424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 126, 132, 154, 168, 189, 198, 216, 231, 252, 264, 297, 308, 378, 396, 462, 504, 594, 616, 693, 756, 792, 924, 1188, 1386, 1512, 1693, 1848, 2079, 2376, 2772, 3386, 4158, 5079, 5544, 6772, 8316, 10158, 11851, 13544, 15237, 16632, 18623, 20316, 23702, 30474, 35553, 37246, 40632, 45711, 47404, 55869, 60948, 71106, 74492, 91422, 94808, 106659, 111738, 121896, 130361, 142212, 148984, 167607, 182844, 213318, 223476, 260722, 284424, 319977, 335214, 365688, 391083, 426636, 446952, 502821, 521444, 639954, 670428, 782166, 853272, 1005642, 1042888, 1173249, 1279908, 1340856, 1564332, 2011284, 2346498, 2559816, 3128664, 3519747, 4022568, 4692996, 7039494, 9385992, 14078988, 28157976]

約数ペア:

[(1, 28157976), (2, 14078988), (3, 9385992), (4, 7039494), (6, 4692996), (7, 4022568), (8, 3519747), (9, 3128664), (11, 2559816), (12, 2346498), (14, 2011284), (18, 1564332), (21, 1340856), (22, 1279908), (24, 1173249), (27, 1042888), (28, 1005642), (33, 853272), (36, 782166), (42, 670428), (44, 639954), (54, 521444), (56, 502821), (63, 446952), (66, 426636), (72, 391083), (77, 365688), (84, 335214), (88, 319977), (99, 284424), (108, 260722), (126, 223476), (132, 213318), (154, 182844), (168, 167607), (189, 148984), (198, 142212), (216, 130361), (231, 121896), (252, 111738), (264, 106659), (297, 94808), (308, 91422), (378, 74492), (396, 71106), (462, 60948), (504, 55869), (594, 47404), (616, 45711), (693, 40632), (756, 37246), (792, 35553), (924, 30474), (1188, 23702), (1386, 20316), (1512, 18623), (1693, 16632), (1848, 15237), (2079, 13544), (2376, 11851), (2772, 10158), (3386, 8316), (4158, 6772), (5079, 5544)]