128791112

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{2069}}^1$

素因数の和:2357

約数の個数: 32

約数和(自身を含む): 250387200

約数和(自身を除く): 121596088

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 251, 502, 1004, 2008, 2069, 4138, 7781, 8276, 15562, 16552, 31124, 62248, 64139, 128278, 256556, 513112, 519319, 1038638, 2077276, 4154552, 16098889, 32197778, 64395556, 128791112]

約数ペア:

[(1, 128791112), (2, 64395556), (4, 32197778), (8, 16098889), (31, 4154552), (62, 2077276), (124, 1038638), (248, 519319), (251, 513112), (502, 256556), (1004, 128278), (2008, 64139), (2069, 62248), (4138, 31124), (7781, 16552), (8276, 15562)]