78078524

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:570

約数の個数: 36

約数和(自身を含む): 145618200

約数和(自身を除く): 67539676

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 361, 389, 556, 722, 778, 1444, 1556, 2641, 5282, 7391, 10564, 14782, 29564, 50179, 54071, 100358, 108142, 140429, 200716, 216284, 280858, 561716, 1027349, 2054698, 4109396, 19519631, 39039262, 78078524]

約数ペア:

[(1, 78078524), (2, 39039262), (4, 19519631), (19, 4109396), (38, 2054698), (76, 1027349), (139, 561716), (278, 280858), (361, 216284), (389, 200716), (556, 140429), (722, 108142), (778, 100358), (1444, 54071), (1556, 50179), (2641, 29564), (5282, 14782), (7391, 10564)]