644732491

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{38959}}^1$

素因数の和:39058

約数の個数: 16

約数和(自身を含む): 741798400

約数和(自身を除く): 97065909

約数列:

[1, 13, 19, 67, 247, 871, 1273, 16549, 38959, 506467, 740221, 2610253, 9622873, 33933289, 49594807, 644732491]

約数ペア:

[(1, 644732491), (13, 49594807), (19, 33933289), (67, 9622873), (247, 2610253), (871, 740221), (1273, 506467), (16549, 38959)]