388561936

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{111913}}^1$

素因数の和:111959

約数の個数: 40

約数和(自身を含む): 888149504

約数和(自身を除く): 499587568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 111913, 223826, 447652, 783391, 895304, 1566782, 1790608, 3133564, 3469303, 6267128, 6938606, 12534256, 13877212, 24285121, 27754424, 48570242, 55508848, 97140484, 194280968, 388561936]

約数ペア:

[(1, 388561936), (2, 194280968), (4, 97140484), (7, 55508848), (8, 48570242), (14, 27754424), (16, 24285121), (28, 13877212), (31, 12534256), (56, 6938606), (62, 6267128), (112, 3469303), (124, 3133564), (217, 1790608), (248, 1566782), (434, 895304), (496, 783391), (868, 447652), (1736, 223826), (3472, 111913)]