81930695

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 129254400

約数和(自身を除く): 47323705

約数列:

[1, 5, 7, 11, 35, 43, 49, 55, 77, 101, 215, 245, 301, 343, 385, 473, 505, 539, 707, 1111, 1505, 1715, 2107, 2365, 2695, 3311, 3535, 3773, 4343, 4949, 5555, 7777, 10535, 14749, 16555, 18865, 21715, 23177, 24745, 30401, 34643, 38885, 47773, 54439, 73745, 115885, 152005, 162239, 173215, 212807, 238865, 272195, 334411, 381073, 811195, 1064035, 1489649, 1672055, 1905365, 2340877, 7448245, 11704385, 16386139, 81930695]

約数ペア:

[(1, 81930695), (5, 16386139), (7, 11704385), (11, 7448245), (35, 2340877), (43, 1905365), (49, 1672055), (55, 1489649), (77, 1064035), (101, 811195), (215, 381073), (245, 334411), (301, 272195), (343, 238865), (385, 212807), (473, 173215), (505, 162239), (539, 152005), (707, 115885), (1111, 73745), (1505, 54439), (1715, 47773), (2107, 38885), (2365, 34643), (2695, 30401), (3311, 24745), (3535, 23177), (3773, 21715), (4343, 18865), (4949, 16555), (5555, 14749), (7777, 10535)]