258193754

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{4621}}^1$

素因数の和:4950

約数の個数: 32

約数和(自身を含む): 478321536

約数和(自身を除く): 220127782

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 307, 614, 2149, 3991, 4298, 4621, 7982, 9242, 27937, 32347, 55874, 60073, 64694, 120146, 420511, 841022, 1418647, 2837294, 9930529, 18442411, 19861058, 36884822, 129096877, 258193754]

約数ペア:

[(1, 258193754), (2, 129096877), (7, 36884822), (13, 19861058), (14, 18442411), (26, 9930529), (91, 2837294), (182, 1418647), (307, 841022), (614, 420511), (2149, 120146), (3991, 64694), (4298, 60073), (4621, 55874), (7982, 32347), (9242, 27937)]