645157046

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{25763}}^1$

素因数の和:26443

約数の個数: 16

約数和(自身を含む): 1020254400

約数和(自身を除く): 375097354

約数列:

[1, 2, 19, 38, 659, 1318, 12521, 25042, 25763, 51526, 489497, 978994, 16977817, 33955634, 322578523, 645157046]

約数ペア:

[(1, 645157046), (2, 322578523), (19, 33955634), (38, 16977817), (659, 978994), (1318, 489497), (12521, 51526), (25042, 25763)]