15718868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:764

約数の個数: 36

約数和(自身を含む): 30924096

約数和(自身を除く): 15205228

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 242, 484, 517, 691, 1034, 1382, 2068, 2764, 5687, 7601, 11374, 15202, 22748, 30404, 32477, 64954, 83611, 129908, 167222, 334444, 357247, 714494, 1428988, 3929717, 7859434, 15718868]

約数ペア:

[(1, 15718868), (2, 7859434), (4, 3929717), (11, 1428988), (22, 714494), (44, 357247), (47, 334444), (94, 167222), (121, 129908), (188, 83611), (242, 64954), (484, 32477), (517, 30404), (691, 22748), (1034, 15202), (1382, 11374), (2068, 7601), (2764, 5687)]