278320016

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{102929}}^1$

素因数の和:102963

約数の個数: 30

約数和(自身を含む): 583921890

約数和(自身を除く): 305601874

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 102929, 205858, 411716, 823432, 1338077, 1646864, 2676154, 5352308, 10704616, 17395001, 21409232, 34790002, 69580004, 139160008, 278320016]

約数ペア:

[(1, 278320016), (2, 139160008), (4, 69580004), (8, 34790002), (13, 21409232), (16, 17395001), (26, 10704616), (52, 5352308), (104, 2676154), (169, 1646864), (208, 1338077), (338, 823432), (676, 411716), (1352, 205858), (2704, 102929)]