238658615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1427}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 322430976

約数和(自身を除く): 83772361

約数列:

[1, 5, 13, 31, 65, 83, 155, 403, 415, 1079, 1427, 2015, 2573, 5395, 7135, 12865, 18551, 33449, 44237, 92755, 118441, 167245, 221185, 575081, 592205, 1539733, 2875405, 3671671, 7698665, 18358355, 47731723, 238658615]

約数ペア:

[(1, 238658615), (5, 47731723), (13, 18358355), (31, 7698665), (65, 3671671), (83, 2875405), (155, 1539733), (403, 592205), (415, 575081), (1079, 221185), (1427, 167245), (2015, 118441), (2573, 92755), (5395, 44237), (7135, 33449), (12865, 18551)]