318833264

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{642809}}^1$

素因数の和:642848

約数の個数: 20

約数和(自身を含む): 637667520

約数和(自身を除く): 318834256

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 642809, 1285618, 2571236, 5142472, 10284944, 19927079, 39854158, 79708316, 159416632, 318833264]

約数ペア:

[(1, 318833264), (2, 159416632), (4, 79708316), (8, 39854158), (16, 19927079), (31, 10284944), (62, 5142472), (124, 2571236), (248, 1285618), (496, 642809)]