890243512

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{2767}}^1$

素因数の和:3211

約数の個数: 32

約数和(自身を含む): 1688037120

約数和(自身を除く): 797793608

約数列:

[1, 2, 4, 8, 131, 262, 307, 524, 614, 1048, 1228, 2456, 2767, 5534, 11068, 22136, 40217, 80434, 160868, 321736, 362477, 724954, 849469, 1449908, 1698938, 2899816, 3397876, 6795752, 111280439, 222560878, 445121756, 890243512]

約数ペア:

[(1, 890243512), (2, 445121756), (4, 222560878), (8, 111280439), (131, 6795752), (262, 3397876), (307, 2899816), (524, 1698938), (614, 1449908), (1048, 849469), (1228, 724954), (2456, 362477), (2767, 321736), (5534, 160868), (11068, 80434), (22136, 40217)]