28172972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 54163200

約数和(自身を除く): 25990228

約数列:

[1, 2, 4, 19, 38, 59, 61, 76, 103, 118, 122, 206, 236, 244, 412, 1121, 1159, 1957, 2242, 2318, 3599, 3914, 4484, 4636, 6077, 6283, 7198, 7828, 12154, 12566, 14396, 24308, 25132, 68381, 115463, 119377, 136762, 230926, 238754, 273524, 370697, 461852, 477508, 741394, 1482788, 7043243, 14086486, 28172972]

約数ペア:

[(1, 28172972), (2, 14086486), (4, 7043243), (19, 1482788), (38, 741394), (59, 477508), (61, 461852), (76, 370697), (103, 273524), (118, 238754), (122, 230926), (206, 136762), (236, 119377), (244, 115463), (412, 68381), (1121, 25132), (1159, 24308), (1957, 14396), (2242, 12566), (2318, 12154), (3599, 7828), (3914, 7198), (4484, 6283), (4636, 6077)]