28640788894

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{787}}^1\times {\mathrm{1609}}^1$

素因数の和:2704

約数の個数: 32

約数和(自身を含む): 44210960640

約数和(自身を除く): 15570171746

約数列:

[1, 2, 43, 86, 263, 526, 787, 1574, 1609, 3218, 11309, 22618, 33841, 67682, 69187, 138374, 206981, 413962, 423167, 846334, 1266283, 2532566, 8900183, 17800366, 18196181, 36392362, 54450169, 108900338, 333032429, 666064858, 14320394447, 28640788894]

約数ペア:

[(1, 28640788894), (2, 14320394447), (43, 666064858), (86, 333032429), (263, 108900338), (526, 54450169), (787, 36392362), (1574, 18196181), (1609, 17800366), (3218, 8900183), (11309, 2532566), (22618, 1266283), (33841, 846334), (67682, 423167), (69187, 413962), (138374, 206981)]