171970175

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 240817920

約数和(自身を除く): 68847745

約数列:

[1, 5, 13, 25, 31, 65, 101, 155, 169, 325, 403, 505, 775, 845, 1313, 2015, 2197, 2525, 3131, 4225, 5239, 6565, 10075, 10985, 15655, 17069, 26195, 32825, 40703, 54925, 68107, 78275, 85345, 130975, 203515, 221897, 340535, 426725, 529139, 1017575, 1109485, 1702675, 2645695, 5547425, 6878807, 13228475, 34394035, 171970175]

約数ペア:

[(1, 171970175), (5, 34394035), (13, 13228475), (25, 6878807), (31, 5547425), (65, 2645695), (101, 1702675), (155, 1109485), (169, 1017575), (325, 529139), (403, 426725), (505, 340535), (775, 221897), (845, 203515), (1313, 130975), (2015, 85345), (2197, 78275), (2525, 68107), (3131, 54925), (4225, 40703), (5239, 32825), (6565, 26195), (10075, 17069), (10985, 15655)]