81863436

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{220063}}^1$

素因数の和:220101

約数の個数: 24

約数和(自身を含む): 197177344

約数和(自身を除く): 115313908

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 220063, 440126, 660189, 880252, 1320378, 2640756, 6821953, 13643906, 20465859, 27287812, 40931718, 81863436]

約数ペア:

[(1, 81863436), (2, 40931718), (3, 27287812), (4, 20465859), (6, 13643906), (12, 6821953), (31, 2640756), (62, 1320378), (93, 880252), (124, 660189), (186, 440126), (372, 220063)]