209927575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{4517}}^1$

素因数の和:4564

約数の個数: 36

約数和(自身を含む): 307567368

約数和(自身を除く): 97639793

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 169, 275, 325, 715, 845, 1859, 3575, 4225, 4517, 9295, 22585, 46475, 49687, 58721, 112925, 248435, 293605, 645931, 763373, 1242175, 1468025, 3229655, 3816865, 8397103, 16148275, 19084325, 41985515, 209927575]

約数ペア:

[(1, 209927575), (5, 41985515), (11, 19084325), (13, 16148275), (25, 8397103), (55, 3816865), (65, 3229655), (143, 1468025), (169, 1242175), (275, 763373), (325, 645931), (715, 293605), (845, 248435), (1859, 112925), (3575, 58721), (4225, 49687), (4517, 46475), (9295, 22585)]