1390037758

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{619999}}^1$

素因数の和:620079

約数の個数: 16

約数和(自身を含む): 2232000000

約数和(自身を除く): 841962242

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 619999, 1239998, 11779981, 23559962, 36579941, 73159882, 695018879, 1390037758]

約数ペア:

[(1, 1390037758), (2, 695018879), (19, 73159882), (38, 36579941), (59, 23559962), (118, 11779981), (1121, 1239998), (2242, 619999)]