157220378

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{81971}}^1$

素因数の和:82117

約数の個数: 16

約数和(自身を含む): 271491264

約数和(自身を除く): 114270886

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 81971, 163942, 573797, 1147594, 11230027, 22460054, 78610189, 157220378]

約数ペア:

[(1, 157220378), (2, 78610189), (7, 22460054), (14, 11230027), (137, 1147594), (274, 573797), (959, 163942), (1918, 81971)]