81905568

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23059}}^1$

素因数の和:23109

約数の個数: 48

約数和(自身を含む): 220822560

約数和(自身を除く): 138916992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 74, 96, 111, 148, 222, 296, 444, 592, 888, 1184, 1776, 3552, 23059, 46118, 69177, 92236, 138354, 184472, 276708, 368944, 553416, 737888, 853183, 1106832, 1706366, 2213664, 2559549, 3412732, 5119098, 6825464, 10238196, 13650928, 20476392, 27301856, 40952784, 81905568]

約数ペア:

[(1, 81905568), (2, 40952784), (3, 27301856), (4, 20476392), (6, 13650928), (8, 10238196), (12, 6825464), (16, 5119098), (24, 3412732), (32, 2559549), (37, 2213664), (48, 1706366), (74, 1106832), (96, 853183), (111, 737888), (148, 553416), (222, 368944), (296, 276708), (444, 184472), (592, 138354), (888, 92236), (1184, 69177), (1776, 46118), (3552, 23059)]