289715195

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 444266208

約数和(自身を除く): 154551013

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 193, 245, 385, 539, 557, 965, 1351, 2123, 2695, 2785, 3899, 6127, 6755, 9457, 10615, 14861, 19495, 27293, 30635, 42889, 47285, 74305, 104027, 107501, 136465, 214445, 300223, 520135, 537505, 752507, 1182511, 1501115, 3762535, 5267549, 5912555, 8277577, 26337745, 41387885, 57943039, 289715195]

約数ペア:

[(1, 289715195), (5, 57943039), (7, 41387885), (11, 26337745), (35, 8277577), (49, 5912555), (55, 5267549), (77, 3762535), (193, 1501115), (245, 1182511), (385, 752507), (539, 537505), (557, 520135), (965, 300223), (1351, 214445), (2123, 136465), (2695, 107501), (2785, 104027), (3899, 74305), (6127, 47285), (6755, 42889), (9457, 30635), (10615, 27293), (14861, 19495)]