12684875

素因数分解:

$5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 19562400

約数和(自身を除く): 6877525

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 109, 125, 133, 175, 245, 475, 545, 665, 763, 875, 931, 1225, 2071, 2375, 2725, 3325, 3815, 4655, 5341, 6125, 10355, 13625, 14497, 16625, 19075, 23275, 26705, 51775, 72485, 95375, 101479, 116375, 133525, 258875, 362425, 507395, 667625, 1812125, 2536975, 12684875]

約数ペア:

[(1, 12684875), (5, 2536975), (7, 1812125), (19, 667625), (25, 507395), (35, 362425), (49, 258875), (95, 133525), (109, 116375), (125, 101479), (133, 95375), (175, 72485), (245, 51775), (475, 26705), (545, 23275), (665, 19075), (763, 16625), (875, 14497), (931, 13625), (1225, 10355), (2071, 6125), (2375, 5341), (2725, 4655), (3325, 3815)]