871491964

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{1453}}^1$

素因数の和:2186

約数の個数: 48

約数和(自身を含む): 1803053056

約数和(自身を除く): 931561092

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 691, 868, 1382, 1453, 2764, 2906, 4837, 5812, 9674, 10171, 19348, 20342, 21421, 40684, 42842, 45043, 85684, 90086, 149947, 180172, 299894, 315301, 599788, 630602, 1004023, 1261204, 2008046, 4016092, 7028161, 14056322, 28112644, 31124713, 62249426, 124498852, 217872991, 435745982, 871491964]

約数ペア:

[(1, 871491964), (2, 435745982), (4, 217872991), (7, 124498852), (14, 62249426), (28, 31124713), (31, 28112644), (62, 14056322), (124, 7028161), (217, 4016092), (434, 2008046), (691, 1261204), (868, 1004023), (1382, 630602), (1453, 599788), (2764, 315301), (2906, 299894), (4837, 180172), (5812, 149947), (9674, 90086), (10171, 85684), (19348, 45043), (20342, 42842), (21421, 40684)]