624421135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 905748480

約数和(自身を除く): 281327345

約数列:

[1, 5, 13, 17, 23, 65, 79, 85, 115, 221, 299, 311, 391, 395, 1027, 1105, 1343, 1495, 1555, 1817, 1955, 4043, 5083, 5135, 5287, 6715, 7153, 9085, 17459, 20215, 23621, 24569, 25415, 26435, 30889, 35765, 68731, 87295, 92989, 118105, 121601, 122845, 154445, 319397, 343655, 401557, 417673, 464945, 565087, 608005, 1580813, 1596985, 2007785, 2088365, 2825435, 5429749, 7346131, 7904065, 9606479, 27148745, 36730655, 48032395, 124884227, 624421135]

約数ペア:

[(1, 624421135), (5, 124884227), (13, 48032395), (17, 36730655), (23, 27148745), (65, 9606479), (79, 7904065), (85, 7346131), (115, 5429749), (221, 2825435), (299, 2088365), (311, 2007785), (391, 1596985), (395, 1580813), (1027, 608005), (1105, 565087), (1343, 464945), (1495, 417673), (1555, 401557), (1817, 343655), (1955, 319397), (4043, 154445), (5083, 122845), (5135, 121601), (5287, 118105), (6715, 92989), (7153, 87295), (9085, 68731), (17459, 35765), (20215, 30889), (23621, 26435), (24569, 25415)]