78416572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 156956800

約数和(自身を除く): 78540228

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 139, 247, 278, 494, 556, 571, 988, 1142, 1807, 2284, 2641, 3614, 5282, 7228, 7423, 10564, 10849, 14846, 21698, 29692, 34333, 43396, 68666, 79369, 137332, 141037, 158738, 282074, 317476, 564148, 1031797, 1508011, 2063594, 3016022, 4127188, 6032044, 19604143, 39208286, 78416572]

約数ペア:

[(1, 78416572), (2, 39208286), (4, 19604143), (13, 6032044), (19, 4127188), (26, 3016022), (38, 2063594), (52, 1508011), (76, 1031797), (139, 564148), (247, 317476), (278, 282074), (494, 158738), (556, 141037), (571, 137332), (988, 79369), (1142, 68666), (1807, 43396), (2284, 34333), (2641, 29692), (3614, 21698), (5282, 14846), (7228, 10849), (7423, 10564)]