72131605

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3373}}^1$

素因数の和:3445

約数の個数: 32

約数和(自身を含む): 108831744

約数和(自身を除く): 36700139

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1645, 3055, 3373, 4277, 16865, 21385, 23611, 43849, 118055, 158531, 219245, 306943, 792655, 1109717, 1534715, 2060903, 5548585, 10304515, 14426321, 72131605]

約数ペア:

[(1, 72131605), (5, 14426321), (7, 10304515), (13, 5548585), (35, 2060903), (47, 1534715), (65, 1109717), (91, 792655), (235, 306943), (329, 219245), (455, 158531), (611, 118055), (1645, 43849), (3055, 23611), (3373, 21385), (4277, 16865)]