1387157030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19816529}}^1$

素因数の和:19816543

約数の個数: 16

約数和(自身を含む): 2853580320

約数和(自身を除く): 1466423290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 19816529, 39633058, 99082645, 138715703, 198165290, 277431406, 693578515, 1387157030]

約数ペア:

[(1, 1387157030), (2, 693578515), (5, 277431406), (7, 198165290), (10, 138715703), (14, 99082645), (35, 39633058), (70, 19816529)]