28509832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 61286400

約数和(自身を除く): 32776568

約数列:

[1, 2, 4, 8, 13, 26, 31, 37, 52, 62, 74, 104, 124, 148, 239, 248, 296, 403, 478, 481, 806, 956, 962, 1147, 1612, 1912, 1924, 2294, 3107, 3224, 3848, 4588, 6214, 7409, 8843, 9176, 12428, 14818, 14911, 17686, 24856, 29636, 29822, 35372, 59272, 59644, 70744, 96317, 114959, 119288, 192634, 229918, 274133, 385268, 459836, 548266, 770536, 919672, 1096532, 2193064, 3563729, 7127458, 14254916, 28509832]

約数ペア:

[(1, 28509832), (2, 14254916), (4, 7127458), (8, 3563729), (13, 2193064), (26, 1096532), (31, 919672), (37, 770536), (52, 548266), (62, 459836), (74, 385268), (104, 274133), (124, 229918), (148, 192634), (239, 119288), (248, 114959), (296, 96317), (403, 70744), (478, 59644), (481, 59272), (806, 35372), (956, 29822), (962, 29636), (1147, 24856), (1612, 17686), (1912, 14911), (1924, 14818), (2294, 12428), (3107, 9176), (3224, 8843), (3848, 7409), (4588, 6214)]