128208064

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{64621}}^1$

素因数の和:64664

約数の個数: 28

約数和(自身を含む): 262623808

約数和(自身を除く): 134415744

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 64621, 129242, 258484, 516968, 1033936, 2003251, 2067872, 4006502, 4135744, 8013004, 16026008, 32052016, 64104032, 128208064]

約数ペア:

[(1, 128208064), (2, 64104032), (4, 32052016), (8, 16026008), (16, 8013004), (31, 4135744), (32, 4006502), (62, 2067872), (64, 2003251), (124, 1033936), (248, 516968), (496, 258484), (992, 129242), (1984, 64621)]