78128564

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{1693}}^1$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 139450080

約数和(自身を除く): 61321516

約数列:

[1, 2, 4, 83, 139, 166, 278, 332, 556, 1693, 3386, 6772, 11537, 23074, 46148, 140519, 235327, 281038, 470654, 562076, 941308, 19532141, 39064282, 78128564]

約数ペア:

[(1, 78128564), (2, 39064282), (4, 19532141), (83, 941308), (139, 562076), (166, 470654), (278, 281038), (332, 235327), (556, 140519), (1693, 46148), (3386, 23074), (6772, 11537)]