78403990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{23831}}^1$

素因数の和:23892

約数の個数: 32

約数和(自身を含む): 164726784

約数和(自身を除く): 86322794

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 23831, 47662, 119155, 166817, 238310, 333634, 834085, 1120057, 1668170, 2240114, 5600285, 7840399, 11200570, 15680798, 39201995, 78403990]

約数ペア:

[(1, 78403990), (2, 39201995), (5, 15680798), (7, 11200570), (10, 7840399), (14, 5600285), (35, 2240114), (47, 1668170), (70, 1120057), (94, 834085), (235, 333634), (329, 238310), (470, 166817), (658, 119155), (1645, 47662), (3290, 23831)]