890392478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{12391}}^1$

素因数の和:12504

約数の個数: 32

約数和(自身を含む): 1475143680

約数和(自身を除く): 584751202

約数列:

[1, 2, 19, 31, 38, 61, 62, 122, 589, 1159, 1178, 1891, 2318, 3782, 12391, 24782, 35929, 71858, 235429, 384121, 470858, 755851, 768242, 1511702, 7298299, 14361169, 14596598, 23431381, 28722338, 46862762, 445196239, 890392478]

約数ペア:

[(1, 890392478), (2, 445196239), (19, 46862762), (31, 28722338), (38, 23431381), (61, 14596598), (62, 14361169), (122, 7298299), (589, 1511702), (1159, 768242), (1178, 755851), (1891, 470858), (2318, 384121), (3782, 235429), (12391, 71858), (24782, 35929)]