126972725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1279}}^1$

素因数の和:1338

約数の個数: 36

約数和(自身を含む): 181416960

約数和(自身を除く): 54444235

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 361, 475, 1045, 1279, 1805, 3971, 5225, 6395, 9025, 14069, 19855, 24301, 31975, 70345, 99275, 121505, 267311, 351725, 461719, 607525, 1336555, 2308595, 5078909, 6682775, 11542975, 25394545, 126972725]

約数ペア:

[(1, 126972725), (5, 25394545), (11, 11542975), (19, 6682775), (25, 5078909), (55, 2308595), (95, 1336555), (209, 607525), (275, 461719), (361, 351725), (475, 267311), (1045, 121505), (1279, 99275), (1805, 70345), (3971, 31975), (5225, 24301), (6395, 19855), (9025, 14069)]