66643925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 87598560

約数和(自身を除く): 20954635

約数列:

[1, 5, 19, 25, 95, 173, 475, 811, 865, 3287, 4055, 4325, 15409, 16435, 20275, 77045, 82175, 140303, 385225, 701515, 2665757, 3507575, 13328785, 66643925]

約数ペア:

[(1, 66643925), (5, 13328785), (19, 3507575), (25, 2665757), (95, 701515), (173, 385225), (475, 140303), (811, 82175), (865, 77045), (3287, 20275), (4055, 16435), (4325, 15409)]