644060495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{3851}}^1$

素因数の和:3983

約数の個数: 32

約数和(自身を含む): 869750784

約数和(自身を除く): 225690289

約数列:

[1, 5, 13, 31, 65, 83, 155, 403, 415, 1079, 2015, 2573, 3851, 5395, 12865, 19255, 33449, 50063, 119381, 167245, 250315, 319633, 596905, 1551953, 1598165, 4155229, 7759765, 9908623, 20776145, 49543115, 128812099, 644060495]

約数ペア:

[(1, 644060495), (5, 128812099), (13, 49543115), (31, 20776145), (65, 9908623), (83, 7759765), (155, 4155229), (403, 1598165), (415, 1551953), (1079, 596905), (2015, 319633), (2573, 250315), (3851, 167245), (5395, 119381), (12865, 50063), (19255, 33449)]