156980908

素因数分解:

$2^2\times 7^2\times {\mathrm{800923}}^1$

素因数の和:800941

約数の個数: 18

約数和(自身を含む): 319568676

約数和(自身を除く): 162587768

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 800923, 1601846, 3203692, 5606461, 11212922, 22425844, 39245227, 78490454, 156980908]

約数ペア:

[(1, 156980908), (2, 78490454), (4, 39245227), (7, 22425844), (14, 11212922), (28, 5606461), (49, 3203692), (98, 1601846), (196, 800923)]