81337766

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:624

約数の個数: 24

約数和(自身を含む): 127710576

約数和(自身を除く): 46372810

約数列:

[1, 2, 37, 61, 74, 122, 487, 974, 1369, 2257, 2738, 4514, 18019, 29707, 36038, 59414, 83509, 167018, 666703, 1099159, 1333406, 2198318, 40668883, 81337766]

約数ペア:

[(1, 81337766), (2, 40668883), (37, 2198318), (61, 1333406), (74, 1099159), (122, 666703), (487, 167018), (974, 83509), (1369, 59414), (2257, 36038), (2738, 29707), (4514, 18019)]