86811725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3469}}^1$

素因数の和:3510

約数の個数: 48

約数和(自身を含む): 144574080

約数和(自身を除く): 57762355

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1925, 2275, 3469, 3575, 5005, 17345, 24283, 25025, 38159, 45097, 86725, 121415, 190795, 225485, 267113, 315679, 496067, 607075, 953975, 1127425, 1335565, 1578395, 2480335, 3472469, 6677825, 7891975, 12401675, 17362345, 86811725]

約数ペア:

[(1, 86811725), (5, 17362345), (7, 12401675), (11, 7891975), (13, 6677825), (25, 3472469), (35, 2480335), (55, 1578395), (65, 1335565), (77, 1127425), (91, 953975), (143, 607075), (175, 496067), (275, 315679), (325, 267113), (385, 225485), (455, 190795), (715, 121415), (1001, 86725), (1925, 45097), (2275, 38159), (3469, 25025), (3575, 24283), (5005, 17345)]