1388874310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1956161}}^1$

素因数の和:1956239

約数の個数: 16

約数和(自身を含む): 2535185952

約数和(自身を除く): 1146311642

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1956161, 3912322, 9780805, 19561610, 138887431, 277774862, 694437155, 1388874310]

約数ペア:

[(1, 1388874310), (2, 694437155), (5, 277774862), (10, 138887431), (71, 19561610), (142, 9780805), (355, 3912322), (710, 1956161)]