131597884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 272321280

約数和(自身を除く): 140723396

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 79, 131, 158, 187, 262, 289, 316, 374, 524, 578, 748, 869, 1156, 1343, 1441, 1738, 2227, 2686, 2882, 3179, 3476, 4454, 5372, 5764, 6358, 8908, 10349, 12716, 14773, 20698, 22831, 24497, 29546, 37859, 41396, 45662, 48994, 59092, 75718, 91324, 97988, 113839, 151436, 175933, 227678, 251141, 351866, 416449, 455356, 502282, 703732, 832898, 1004564, 1665796, 1935263, 2990861, 3870526, 5981722, 7741052, 11963444, 32899471, 65798942, 131597884]

約数ペア:

[(1, 131597884), (2, 65798942), (4, 32899471), (11, 11963444), (17, 7741052), (22, 5981722), (34, 3870526), (44, 2990861), (68, 1935263), (79, 1665796), (131, 1004564), (158, 832898), (187, 703732), (262, 502282), (289, 455356), (316, 416449), (374, 351866), (524, 251141), (578, 227678), (748, 175933), (869, 151436), (1156, 113839), (1343, 97988), (1441, 91324), (1738, 75718), (2227, 59092), (2686, 48994), (2882, 45662), (3179, 41396), (3476, 37859), (4454, 29546), (5372, 24497), (5764, 22831), (6358, 20698), (8908, 14773), (10349, 12716)]