81578410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1543}}^1$

素因数の和:1878

約数の個数: 32

約数和(自身を含む): 156079872

約数和(自身を除く): 74501462

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 311, 622, 1543, 1555, 3086, 3110, 5287, 7715, 10574, 15430, 26231, 26435, 52462, 52870, 131155, 262310, 479873, 959746, 2399365, 4798730, 8157841, 16315682, 40789205, 81578410]

約数ペア:

[(1, 81578410), (2, 40789205), (5, 16315682), (10, 8157841), (17, 4798730), (34, 2399365), (85, 959746), (170, 479873), (311, 262310), (622, 131155), (1543, 52870), (1555, 52462), (3086, 26435), (3110, 26231), (5287, 15430), (7715, 10574)]