28688605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 40497408

約数和(自身を除く): 11808803

約数列:

[1, 5, 11, 17, 55, 61, 85, 187, 305, 503, 671, 935, 1037, 2515, 3355, 5185, 5533, 8551, 11407, 27665, 30683, 42755, 57035, 94061, 153415, 337513, 470305, 521611, 1687565, 2608055, 5737721, 28688605]

約数ペア:

[(1, 28688605), (5, 5737721), (11, 2608055), (17, 1687565), (55, 521611), (61, 470305), (85, 337513), (187, 153415), (305, 94061), (503, 57035), (671, 42755), (935, 30683), (1037, 27665), (2515, 11407), (3355, 8551), (5185, 5533)]