25915468

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:310

約数の個数: 36

約数和(自身を含む): 48582072

約数和(自身を除く): 22666604

約数列:

[1, 2, 4, 19, 38, 76, 131, 137, 262, 274, 361, 524, 548, 722, 1444, 2489, 2603, 4978, 5206, 9956, 10412, 17947, 35894, 47291, 49457, 71788, 94582, 98914, 189164, 197828, 340993, 681986, 1363972, 6478867, 12957734, 25915468]

約数ペア:

[(1, 25915468), (2, 12957734), (4, 6478867), (19, 1363972), (38, 681986), (76, 340993), (131, 197828), (137, 189164), (262, 98914), (274, 94582), (361, 71788), (524, 49457), (548, 47291), (722, 35894), (1444, 17947), (2489, 10412), (2603, 9956), (4978, 5206)]