156778378

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{2081}}^1$

素因数の和:2493

約数の個数: 16

約数和(自身を含む): 237847680

約数和(自身を除く): 81069302

約数列:

[1, 2, 139, 271, 278, 542, 2081, 4162, 37669, 75338, 289259, 563951, 578518, 1127902, 78389189, 156778378]

約数ペア:

[(1, 156778378), (2, 78389189), (139, 1127902), (271, 578518), (278, 563951), (542, 289259), (2081, 75338), (4162, 37669)]