28315285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 37711872

約数和(自身を除く): 9396587

約数列:

[1, 5, 17, 43, 61, 85, 127, 215, 305, 635, 731, 1037, 2159, 2623, 3655, 5185, 5461, 7747, 10795, 13115, 27305, 38735, 44591, 92837, 131699, 222955, 333121, 464185, 658495, 1665605, 5663057, 28315285]

約数ペア:

[(1, 28315285), (5, 5663057), (17, 1665605), (43, 658495), (61, 464185), (85, 333121), (127, 222955), (215, 131699), (305, 92837), (635, 44591), (731, 38735), (1037, 27305), (2159, 13115), (2623, 10795), (3655, 7747), (5185, 5461)]