65491820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2713}}^1$

素因数の和:2810

約数の個数: 48

約数和(自身を含む): 147728448

約数和(自身を除く): 82236628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 2713, 4828, 5426, 6035, 10852, 12070, 13565, 24140, 27130, 46121, 54260, 92242, 184484, 192623, 230605, 385246, 461210, 770492, 922420, 963115, 1926230, 3274591, 3852460, 6549182, 13098364, 16372955, 32745910, 65491820]

約数ペア:

[(1, 65491820), (2, 32745910), (4, 16372955), (5, 13098364), (10, 6549182), (17, 3852460), (20, 3274591), (34, 1926230), (68, 963115), (71, 922420), (85, 770492), (142, 461210), (170, 385246), (284, 230605), (340, 192623), (355, 184484), (710, 92242), (1207, 54260), (1420, 46121), (2414, 27130), (2713, 24140), (4828, 13565), (5426, 12070), (6035, 10852)]