90926381

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 120637440

約数和(自身を除く): 29711059

約数列:

[1, 7, 13, 19, 43, 91, 133, 247, 301, 559, 817, 1223, 1729, 3913, 5719, 8561, 10621, 15899, 23237, 52589, 74347, 111293, 162659, 302081, 368123, 683657, 999191, 2114567, 4785599, 6994337, 12989483, 90926381]

約数ペア:

[(1, 90926381), (7, 12989483), (13, 6994337), (19, 4785599), (43, 2114567), (91, 999191), (133, 683657), (247, 368123), (301, 302081), (559, 162659), (817, 111293), (1223, 74347), (1729, 52589), (3913, 23237), (5719, 15899), (8561, 10621)]