163920911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 211438080

約数和(自身を除く): 47517169

約数列:

[1, 7, 11, 41, 77, 137, 287, 379, 451, 959, 1507, 2653, 3157, 4169, 5617, 10549, 15539, 29183, 39319, 51923, 61787, 108773, 170929, 363461, 432509, 571153, 1196503, 2128843, 3998071, 14901901, 23417273, 163920911]

約数ペア:

[(1, 163920911), (7, 23417273), (11, 14901901), (41, 3998071), (77, 2128843), (137, 1196503), (287, 571153), (379, 432509), (451, 363461), (959, 170929), (1507, 108773), (2653, 61787), (3157, 51923), (4169, 39319), (5617, 29183), (10549, 15539)]