31538904

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{42391}}^1$

素因数の和:42431

約数の個数: 32

約数和(自身を含む): 81392640

約数和(自身を除く): 49853736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 42391, 84782, 127173, 169564, 254346, 339128, 508692, 1017384, 1314121, 2628242, 3942363, 5256484, 7884726, 10512968, 15769452, 31538904]

約数ペア:

[(1, 31538904), (2, 15769452), (3, 10512968), (4, 7884726), (6, 5256484), (8, 3942363), (12, 2628242), (24, 1314121), (31, 1017384), (62, 508692), (93, 339128), (124, 254346), (186, 169564), (248, 127173), (372, 84782), (744, 42391)]