77887001872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{256207243}}^1$

素因数の和:256207270

約数の個数: 20

約数和(自身を含む): 158848491280

約数和(自身を除く): 80961489408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 256207243, 512414486, 1024828972, 2049657944, 4099315888, 4867937617, 9735875234, 19471750468, 38943500936, 77887001872]

約数ペア:

[(1, 77887001872), (2, 38943500936), (4, 19471750468), (8, 9735875234), (16, 4867937617), (19, 4099315888), (38, 2049657944), (76, 1024828972), (152, 512414486), (304, 256207243)]