155299816

素因数分解:

$2^3\times 7^2\times {\mathrm{396173}}^1$

素因数の和:396193

約数の個数: 24

約数和(自身を含む): 338728770

約数和(自身を除く): 183428954

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 396173, 792346, 1584692, 2773211, 3169384, 5546422, 11092844, 19412477, 22185688, 38824954, 77649908, 155299816]

約数ペア:

[(1, 155299816), (2, 77649908), (4, 38824954), (7, 22185688), (8, 19412477), (14, 11092844), (28, 5546422), (49, 3169384), (56, 2773211), (98, 1584692), (196, 792346), (392, 396173)]