890408099018

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{839}}^1\times {\mathrm{25621}}^1$

素因数の和:26750

約数の個数: 32

約数和(自身を含む): 1355916240000

約数和(自身を除く): 465508140982

約数列:

[1, 2, 139, 149, 278, 298, 839, 1678, 20711, 25621, 41422, 51242, 116621, 125011, 233242, 250022, 3561319, 3817529, 7122638, 7635058, 17376529, 21496019, 34753058, 42992038, 530636531, 1061273062, 2987946641, 3202906831, 5975893282, 6405813662, 445204049509, 890408099018]

約数ペア:

[(1, 890408099018), (2, 445204049509), (139, 6405813662), (149, 5975893282), (278, 3202906831), (298, 2987946641), (839, 1061273062), (1678, 530636531), (20711, 42992038), (25621, 34753058), (41422, 21496019), (51242, 17376529), (116621, 7635058), (125011, 7122638), (233242, 3817529), (250022, 3561319)]