72220316

素因数分解:

$2^2\times 7^2\times {\mathrm{368471}}^1$

素因数の和:368489

約数の個数: 18

約数和(自身を含む): 147020328

約数和(自身を除く): 74800012

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 368471, 736942, 1473884, 2579297, 5158594, 10317188, 18055079, 36110158, 72220316]

約数ペア:

[(1, 72220316), (2, 36110158), (4, 18055079), (7, 10317188), (14, 5158594), (28, 2579297), (49, 1473884), (98, 736942), (196, 368471)]