421691809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{383}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 536739840

約数和(自身を除く): 115048031

約数列:

[1, 7, 11, 77, 79, 181, 383, 553, 869, 1267, 1991, 2681, 4213, 6083, 13937, 14299, 29491, 30257, 69323, 100093, 157289, 211799, 332827, 485261, 762553, 1101023, 2329789, 5337871, 5476517, 38335619, 60241687, 421691809]

約数ペア:

[(1, 421691809), (7, 60241687), (11, 38335619), (77, 5476517), (79, 5337871), (181, 2329789), (383, 1101023), (553, 762553), (869, 485261), (1267, 332827), (1991, 211799), (2681, 157289), (4213, 100093), (6083, 69323), (13937, 30257), (14299, 29491)]