1389631490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2711}}^1\times {\mathrm{3943}}^1$

素因数の和:6674

約数の個数: 32

約数和(自身を含む): 2695424256

約数和(自身を除く): 1305792766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2711, 3943, 5422, 7886, 13555, 19715, 27110, 35243, 39430, 51259, 70486, 102518, 176215, 256295, 352430, 512590, 10689473, 21378946, 53447365, 106894730, 138963149, 277926298, 694815745, 1389631490]

約数ペア:

[(1, 1389631490), (2, 694815745), (5, 277926298), (10, 138963149), (13, 106894730), (26, 53447365), (65, 21378946), (130, 10689473), (2711, 512590), (3943, 352430), (5422, 256295), (7886, 176215), (13555, 102518), (19715, 70486), (27110, 51259), (35243, 39430)]