181699420825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{131023}}^1$

素因数の和:131314

約数の個数: 48

約数和(自身を含む): 257936990976

約数和(自身を除く): 76237570151

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 251, 325, 425, 1105, 1255, 3263, 4267, 5525, 6275, 16315, 21335, 55471, 81575, 106675, 131023, 277355, 655115, 1386775, 1703299, 2227391, 3275575, 8516495, 11136955, 28956083, 32886773, 42582475, 55684775, 144780415, 164433865, 427528049, 559075141, 723902075, 822169325, 2137640245, 2795375705, 7267976833, 10688201225, 13976878525, 36339884165, 181699420825]

約数ペア:

[(1, 181699420825), (5, 36339884165), (13, 13976878525), (17, 10688201225), (25, 7267976833), (65, 2795375705), (85, 2137640245), (221, 822169325), (251, 723902075), (325, 559075141), (425, 427528049), (1105, 164433865), (1255, 144780415), (3263, 55684775), (4267, 42582475), (5525, 32886773), (6275, 28956083), (16315, 11136955), (21335, 8516495), (55471, 3275575), (81575, 2227391), (106675, 1703299), (131023, 1386775), (277355, 655115)]