31439804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 64060416

約数和(自身を除く): 32620612

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 47, 92, 94, 188, 253, 506, 517, 661, 1012, 1034, 1081, 1322, 2068, 2162, 2644, 4324, 7271, 11891, 14542, 15203, 23782, 29084, 30406, 31067, 47564, 60812, 62134, 124268, 167233, 334466, 341737, 668932, 683474, 714541, 1366948, 1429082, 2858164, 7859951, 15719902, 31439804]

約数ペア:

[(1, 31439804), (2, 15719902), (4, 7859951), (11, 2858164), (22, 1429082), (23, 1366948), (44, 714541), (46, 683474), (47, 668932), (92, 341737), (94, 334466), (188, 167233), (253, 124268), (506, 62134), (517, 60812), (661, 47564), (1012, 31067), (1034, 30406), (1081, 29084), (1322, 23782), (2068, 15203), (2162, 14542), (2644, 11891), (4324, 7271)]