71420570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1901}}^1$

素因数の和:1955

約数の個数: 48

約数和(自身を含む): 147146328

約数和(自身を除く): 75725758

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 1105, 1445, 1901, 2210, 2890, 3757, 3802, 7514, 9505, 18785, 19010, 24713, 32317, 37570, 49426, 64634, 123565, 161585, 247130, 323170, 420121, 549389, 840242, 1098778, 2100605, 2746945, 4201210, 5493890, 7142057, 14284114, 35710285, 71420570]

約数ペア:

[(1, 71420570), (2, 35710285), (5, 14284114), (10, 7142057), (13, 5493890), (17, 4201210), (26, 2746945), (34, 2100605), (65, 1098778), (85, 840242), (130, 549389), (170, 420121), (221, 323170), (289, 247130), (442, 161585), (578, 123565), (1105, 64634), (1445, 49426), (1901, 37570), (2210, 32317), (2890, 24713), (3757, 19010), (3802, 18785), (7514, 9505)]