65519870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1349

約数の個数: 64

約数和(自身を含む): 140434560

約数和(自身を除く): 74914690

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 598, 782, 1105, 1289, 1495, 1955, 2210, 2578, 2990, 3910, 5083, 6445, 10166, 12890, 16757, 21913, 25415, 29647, 33514, 43826, 50830, 59294, 83785, 109565, 148235, 167570, 219130, 284869, 296470, 385411, 503999, 569738, 770822, 1007998, 1424345, 1927055, 2519995, 2848690, 3854110, 5039990, 6551987, 13103974, 32759935, 65519870]

約数ペア:

[(1, 65519870), (2, 32759935), (5, 13103974), (10, 6551987), (13, 5039990), (17, 3854110), (23, 2848690), (26, 2519995), (34, 1927055), (46, 1424345), (65, 1007998), (85, 770822), (115, 569738), (130, 503999), (170, 385411), (221, 296470), (230, 284869), (299, 219130), (391, 167570), (442, 148235), (598, 109565), (782, 83785), (1105, 59294), (1289, 50830), (1495, 43826), (1955, 33514), (2210, 29647), (2578, 25415), (2990, 21913), (3910, 16757), (5083, 12890), (6445, 10166)]