28652855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3917}}^1$

素因数の和:3959

約数の個数: 32

約数和(自身を含む): 45135360

約数和(自身を除く): 16482505

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 3917, 7315, 19585, 27419, 43087, 74423, 137095, 215435, 301609, 372115, 520961, 818653, 1508045, 2604805, 4093265, 5730571, 28652855]

約数ペア:

[(1, 28652855), (5, 5730571), (7, 4093265), (11, 2604805), (19, 1508045), (35, 818653), (55, 520961), (77, 372115), (95, 301609), (133, 215435), (209, 137095), (385, 74423), (665, 43087), (1045, 27419), (1463, 19585), (3917, 7315)]