208988891995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{483709}}^1$

素因数の和:483784

約数の個数: 48

約数和(自身を含む): 299373923520

約数和(自身を除く): 90385031525

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 289, 299, 391, 1105, 1445, 1495, 1955, 3757, 5083, 6647, 18785, 25415, 33235, 86411, 432055, 483709, 2418545, 6288217, 8223053, 11125307, 31441085, 41115265, 55626535, 106899689, 139791901, 144628991, 189130219, 534498445, 698959505, 723144955, 945651095, 1817294713, 2458692847, 3215213723, 9086473565, 12293464235, 16076068615, 41797778399, 208988891995]

約数ペア:

[(1, 208988891995), (5, 41797778399), (13, 16076068615), (17, 12293464235), (23, 9086473565), (65, 3215213723), (85, 2458692847), (115, 1817294713), (221, 945651095), (289, 723144955), (299, 698959505), (391, 534498445), (1105, 189130219), (1445, 144628991), (1495, 139791901), (1955, 106899689), (3757, 55626535), (5083, 41115265), (6647, 31441085), (18785, 11125307), (25415, 8223053), (33235, 6288217), (86411, 2418545), (432055, 483709)]