681757012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{68477}}^1$

素因数の和:68631

約数の個数: 24

約数和(自身を含む): 1265473440

約数和(自身を除く): 583716428

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 9956, 68477, 136954, 273908, 1301063, 2602126, 5204252, 8970487, 17940974, 35881948, 170439253, 340878506, 681757012]

約数ペア:

[(1, 681757012), (2, 340878506), (4, 170439253), (19, 35881948), (38, 17940974), (76, 8970487), (131, 5204252), (262, 2602126), (524, 1301063), (2489, 273908), (4978, 136954), (9956, 68477)]