64389871

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{373}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 81178944

約数和(自身を除く): 16789073

約数列:

[1, 7, 13, 49, 91, 271, 373, 637, 1897, 2611, 3523, 4849, 13279, 18277, 24661, 33943, 101083, 172627, 237601, 707581, 1314079, 4953067, 9198553, 64389871]

約数ペア:

[(1, 64389871), (7, 9198553), (13, 4953067), (49, 1314079), (91, 707581), (271, 237601), (373, 172627), (637, 101083), (1897, 33943), (2611, 24661), (3523, 18277), (4849, 13279)]