811696894

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1\times {\mathrm{6389}}^1$

素因数の和:6987

約数の個数: 16

約数和(自身を含む): 1229180400

約数和(自身を除く): 417483506

約数列:

[1, 2, 139, 278, 457, 914, 6389, 12778, 63523, 127046, 888071, 1776142, 2919773, 5839546, 405848447, 811696894]

約数ペア:

[(1, 811696894), (2, 405848447), (139, 5839546), (278, 2919773), (457, 1776142), (914, 888071), (6389, 127046), (12778, 63523)]