28239035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 39640320

約数和(自身を除く): 11401285

約数列:

[1, 5, 11, 19, 55, 61, 95, 209, 305, 443, 671, 1045, 1159, 2215, 3355, 4873, 5795, 8417, 12749, 24365, 27023, 42085, 63745, 92587, 135115, 297253, 462935, 513437, 1486265, 2567185, 5647807, 28239035]

約数ペア:

[(1, 28239035), (5, 5647807), (11, 2567185), (19, 1486265), (55, 513437), (61, 462935), (95, 297253), (209, 135115), (305, 92587), (443, 63745), (671, 42085), (1045, 27023), (1159, 24365), (2215, 12749), (3355, 8417), (4873, 5795)]