31720488

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 82494720

約数和(自身を除く): 50774232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 61, 94, 122, 141, 183, 188, 244, 282, 366, 376, 461, 488, 564, 732, 922, 1128, 1383, 1464, 1844, 2766, 2867, 3688, 5532, 5734, 8601, 11064, 11468, 17202, 21667, 22936, 28121, 34404, 43334, 56242, 65001, 68808, 84363, 86668, 112484, 130002, 168726, 173336, 224968, 260004, 337452, 520008, 674904, 1321687, 2643374, 3965061, 5286748, 7930122, 10573496, 15860244, 31720488]

約数ペア:

[(1, 31720488), (2, 15860244), (3, 10573496), (4, 7930122), (6, 5286748), (8, 3965061), (12, 2643374), (24, 1321687), (47, 674904), (61, 520008), (94, 337452), (122, 260004), (141, 224968), (183, 173336), (188, 168726), (244, 130002), (282, 112484), (366, 86668), (376, 84363), (461, 68808), (488, 65001), (564, 56242), (732, 43334), (922, 34404), (1128, 28121), (1383, 22936), (1464, 21667), (1844, 17202), (2766, 11468), (2867, 11064), (3688, 8601), (5532, 5734)]