89311625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 131616576

約数和(自身を除く): 42304951

約数列:

[1, 5, 13, 17, 25, 53, 61, 65, 85, 125, 221, 265, 305, 325, 425, 689, 793, 901, 1037, 1105, 1325, 1525, 1625, 2125, 3233, 3445, 3965, 4505, 5185, 5525, 6625, 7625, 11713, 13481, 16165, 17225, 19825, 22525, 25925, 27625, 42029, 54961, 58565, 67405, 80825, 86125, 99125, 112625, 129625, 210145, 274805, 292825, 337025, 404125, 714493, 1050725, 1374025, 1464125, 1685125, 3572465, 5253625, 6870125, 17862325, 89311625]

約数ペア:

[(1, 89311625), (5, 17862325), (13, 6870125), (17, 5253625), (25, 3572465), (53, 1685125), (61, 1464125), (65, 1374025), (85, 1050725), (125, 714493), (221, 404125), (265, 337025), (305, 292825), (325, 274805), (425, 210145), (689, 129625), (793, 112625), (901, 99125), (1037, 86125), (1105, 80825), (1325, 67405), (1525, 58565), (1625, 54961), (2125, 42029), (3233, 27625), (3445, 25925), (3965, 22525), (4505, 19825), (5185, 17225), (5525, 16165), (6625, 13481), (7625, 11713)]