68171728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137443}}^1$

素因数の和:137482

約数の個数: 20

約数和(自身を含む): 136344448

約数和(自身を除く): 68172720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 137443, 274886, 549772, 1099544, 2199088, 4260733, 8521466, 17042932, 34085864, 68171728]

約数ペア:

[(1, 68171728), (2, 34085864), (4, 17042932), (8, 8521466), (16, 4260733), (31, 2199088), (62, 1099544), (124, 549772), (248, 274886), (496, 137443)]