315780498434

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{17881}}^1\times {\mathrm{124367}}^1$

素因数の和:142321

約数の個数: 16

約数和(自身を含む): 480372892416

約数和(自身を除く): 164592393982

約数列:

[1, 2, 71, 142, 17881, 35762, 124367, 248734, 1269551, 2539102, 8830057, 17660114, 2223806327, 4447612654, 157890249217, 315780498434]

約数ペア:

[(1, 315780498434), (2, 157890249217), (71, 4447612654), (142, 2223806327), (17881, 17660114), (35762, 8830057), (124367, 2539102), (248734, 1269551)]