28681576

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 67858560

約数和(自身を除く): 39176984

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 101, 154, 202, 308, 404, 461, 616, 707, 808, 922, 1111, 1414, 1844, 2222, 2828, 3227, 3688, 4444, 5071, 5656, 6454, 7777, 8888, 10142, 12908, 15554, 20284, 25816, 31108, 35497, 40568, 46561, 62216, 70994, 93122, 141988, 186244, 283976, 325927, 372488, 512171, 651854, 1024342, 1303708, 2048684, 2607416, 3585197, 4097368, 7170394, 14340788, 28681576]

約数ペア:

[(1, 28681576), (2, 14340788), (4, 7170394), (7, 4097368), (8, 3585197), (11, 2607416), (14, 2048684), (22, 1303708), (28, 1024342), (44, 651854), (56, 512171), (77, 372488), (88, 325927), (101, 283976), (154, 186244), (202, 141988), (308, 93122), (404, 70994), (461, 62216), (616, 46561), (707, 40568), (808, 35497), (922, 31108), (1111, 25816), (1414, 20284), (1844, 15554), (2222, 12908), (2828, 10142), (3227, 8888), (3688, 7777), (4444, 6454), (5071, 5656)]