461681689

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 555448320

約数和(自身を除く): 93766631

約数列:

[1, 7, 41, 71, 139, 163, 287, 497, 973, 1141, 2911, 5699, 6683, 9869, 11573, 20377, 22657, 39893, 46781, 69083, 81011, 158599, 404629, 474493, 928937, 1608647, 2832403, 3321451, 6502559, 11260529, 65954527, 461681689]

約数ペア:

[(1, 461681689), (7, 65954527), (41, 11260529), (71, 6502559), (139, 3321451), (163, 2832403), (287, 1608647), (497, 928937), (973, 474493), (1141, 404629), (2911, 158599), (5699, 81011), (6683, 69083), (9869, 46781), (11573, 39893), (20377, 22657)]