252177575

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3511}}^1$

素因数の和:3564

約数の個数: 36

約数和(自身を含む): 358624368

約数和(自身を除く): 106446793

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 325, 425, 845, 1105, 2873, 3511, 4225, 5525, 14365, 17555, 45643, 59687, 71825, 87775, 228215, 298435, 593359, 775931, 1141075, 1492175, 2966795, 3879655, 10087103, 14833975, 19398275, 50435515, 252177575]

約数ペア:

[(1, 252177575), (5, 50435515), (13, 19398275), (17, 14833975), (25, 10087103), (65, 3879655), (85, 2966795), (169, 1492175), (221, 1141075), (325, 775931), (425, 593359), (845, 298435), (1105, 228215), (2873, 87775), (3511, 71825), (4225, 59687), (5525, 45643), (14365, 17555)]