38520885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 72011520

約数和(自身を除く): 33490635

約数列:

[1, 3, 5, 13, 15, 19, 37, 39, 57, 65, 95, 111, 185, 195, 247, 281, 285, 481, 555, 703, 741, 843, 1235, 1405, 1443, 2109, 2405, 3515, 3653, 3705, 4215, 5339, 7215, 9139, 10397, 10545, 10959, 16017, 18265, 26695, 27417, 31191, 45695, 51985, 54795, 69407, 80085, 135161, 137085, 155955, 197543, 208221, 347035, 405483, 592629, 675805, 987715, 1041105, 2027415, 2568059, 2963145, 7704177, 12840295, 38520885]

約数ペア:

[(1, 38520885), (3, 12840295), (5, 7704177), (13, 2963145), (15, 2568059), (19, 2027415), (37, 1041105), (39, 987715), (57, 675805), (65, 592629), (95, 405483), (111, 347035), (185, 208221), (195, 197543), (247, 155955), (281, 137085), (285, 135161), (481, 80085), (555, 69407), (703, 54795), (741, 51985), (843, 45695), (1235, 31191), (1405, 27417), (1443, 26695), (2109, 18265), (2405, 16017), (3515, 10959), (3653, 10545), (3705, 10397), (4215, 9139), (5339, 7215)]