616990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 1244160

約数和(自身を除く): 627170

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 79, 110, 142, 158, 355, 395, 710, 781, 790, 869, 1562, 1738, 3905, 4345, 5609, 7810, 8690, 11218, 28045, 56090, 61699, 123398, 308495, 616990]

約数ペア:

[(1, 616990), (2, 308495), (5, 123398), (10, 61699), (11, 56090), (22, 28045), (55, 11218), (71, 8690), (79, 7810), (110, 5609), (142, 4345), (158, 3905), (355, 1738), (395, 1562), (710, 869), (781, 790)]