128398528

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{64717}}^1$

素因数の和:64760

約数の個数: 28

約数和(自身を含む): 263013952

約数和(自身を除く): 134615424

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 64717, 129434, 258868, 517736, 1035472, 2006227, 2070944, 4012454, 4141888, 8024908, 16049816, 32099632, 64199264, 128398528]

約数ペア:

[(1, 128398528), (2, 64199264), (4, 32099632), (8, 16049816), (16, 8024908), (31, 4141888), (32, 4012454), (62, 2070944), (64, 2006227), (124, 1035472), (248, 517736), (496, 258868), (992, 129434), (1984, 64717)]