78216724

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{1427}}^1$

素因数の和:1695

約数の個数: 24

約数和(自身を含む): 139624128

約数和(自身を除く): 61407404

約数列:

[1, 2, 4, 71, 142, 193, 284, 386, 772, 1427, 2854, 5708, 13703, 27406, 54812, 101317, 202634, 275411, 405268, 550822, 1101644, 19554181, 39108362, 78216724]

約数ペア:

[(1, 78216724), (2, 39108362), (4, 19554181), (71, 1101644), (142, 550822), (193, 405268), (284, 275411), (386, 202634), (772, 101317), (1427, 54812), (2854, 27406), (5708, 13703)]