1388974468

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1600201}}^1$

素因数の和:1600243

約数の個数: 24

約数和(自身を含む): 2867561984

約数和(自身を除く): 1478587516

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 1600201, 3200402, 6400804, 11201407, 22402814, 44805628, 49606231, 99212462, 198424924, 347243617, 694487234, 1388974468]

約数ペア:

[(1, 1388974468), (2, 694487234), (4, 347243617), (7, 198424924), (14, 99212462), (28, 49606231), (31, 44805628), (62, 22402814), (124, 11201407), (217, 6400804), (434, 3200402), (868, 1600201)]