81657876670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{15737}}^1$

素因数の和:16125

約数の個数: 64

約数和(自身を含む): 157501371456

約数和(自身を除く): 75843494786

約数列:

[1, 2, 5, 10, 17, 34, 85, 131, 170, 233, 262, 466, 655, 1165, 1310, 2227, 2330, 3961, 4454, 7922, 11135, 15737, 19805, 22270, 30523, 31474, 39610, 61046, 78685, 152615, 157370, 267529, 305230, 518891, 535058, 1037782, 1337645, 2061547, 2594455, 2675290, 3666721, 4123094, 5188910, 7333442, 10307735, 18333605, 20615470, 35046299, 36667210, 62334257, 70092598, 124668514, 175231495, 311671285, 350462990, 480340451, 623342570, 960680902, 2401702255, 4803404510, 8165787667, 16331575334, 40828938335, 81657876670]

約数ペア:

[(1, 81657876670), (2, 40828938335), (5, 16331575334), (10, 8165787667), (17, 4803404510), (34, 2401702255), (85, 960680902), (131, 623342570), (170, 480340451), (233, 350462990), (262, 311671285), (466, 175231495), (655, 124668514), (1165, 70092598), (1310, 62334257), (2227, 36667210), (2330, 35046299), (3961, 20615470), (4454, 18333605), (7922, 10307735), (11135, 7333442), (15737, 5188910), (19805, 4123094), (22270, 3666721), (30523, 2675290), (31474, 2594455), (39610, 2061547), (61046, 1337645), (78685, 1037782), (152615, 535058), (157370, 518891), (267529, 305230)]