256148967

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 361267200

約数和(自身を除く): 105118233

約数列:

[1, 3, 29, 87, 97, 127, 239, 291, 381, 717, 2813, 3683, 6931, 8439, 11049, 12319, 20793, 23183, 30353, 36957, 69549, 91059, 357251, 672307, 880237, 1071753, 2016921, 2640711, 2944241, 8832723, 85382989, 256148967]

約数ペア:

[(1, 256148967), (3, 85382989), (29, 8832723), (87, 2944241), (97, 2640711), (127, 2016921), (239, 1071753), (291, 880237), (381, 672307), (717, 357251), (2813, 91059), (3683, 69549), (6931, 36957), (8439, 30353), (11049, 23183), (12319, 20793)]