289687297781

素因数分解:

$7^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1\times {\mathrm{1223}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 344598105600

約数和(自身を除く): 54910807819

約数列:

[1, 7, 49, 83, 139, 419, 581, 973, 1223, 2933, 4067, 6811, 8561, 11537, 20531, 34777, 58241, 59927, 80759, 101509, 169997, 243439, 407687, 512437, 565313, 710563, 1189979, 1704073, 2853809, 3587059, 4834003, 4973941, 8329853, 14109751, 25109413, 33838021, 42532271, 71228743, 98768257, 236866147, 297725897, 498601201, 691377799, 2084081279, 3490208407, 5911985669, 41383899683, 289687297781]

約数ペア:

[(1, 289687297781), (7, 41383899683), (49, 5911985669), (83, 3490208407), (139, 2084081279), (419, 691377799), (581, 498601201), (973, 297725897), (1223, 236866147), (2933, 98768257), (4067, 71228743), (6811, 42532271), (8561, 33838021), (11537, 25109413), (20531, 14109751), (34777, 8329853), (58241, 4973941), (59927, 4834003), (80759, 3587059), (101509, 2853809), (169997, 1704073), (243439, 1189979), (407687, 710563), (512437, 565313)]