212858891

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1039}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 256800960

約数和(自身を除く): 43942069

約数列:

[1, 7, 37, 49, 113, 259, 791, 1039, 1813, 4181, 5537, 7273, 29267, 38443, 50911, 117407, 204869, 269101, 821849, 1883707, 4344059, 5752943, 30408413, 212858891]

約数ペア:

[(1, 212858891), (7, 30408413), (37, 5752943), (49, 4344059), (113, 1883707), (259, 821849), (791, 269101), (1039, 204869), (1813, 117407), (4181, 50911), (5537, 38443), (7273, 29267)]