681736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 1428480

約数和(自身を除く): 746744

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 127, 244, 254, 488, 508, 671, 1016, 1342, 1397, 2684, 2794, 5368, 5588, 7747, 11176, 15494, 30988, 61976, 85217, 170434, 340868, 681736]

約数ペア:

[(1, 681736), (2, 340868), (4, 170434), (8, 85217), (11, 61976), (22, 30988), (44, 15494), (61, 11176), (88, 7747), (122, 5588), (127, 5368), (244, 2794), (254, 2684), (488, 1397), (508, 1342), (671, 1016)]