28977685

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 38572128

約数和(自身を除く): 9594443

約数列:

[1, 5, 11, 55, 121, 211, 227, 605, 1055, 1135, 2321, 2497, 11605, 12485, 25531, 27467, 47897, 127655, 137335, 239485, 526867, 2634335, 5795537, 28977685]

約数ペア:

[(1, 28977685), (5, 5795537), (11, 2634335), (55, 526867), (121, 239485), (211, 137335), (227, 127655), (605, 47897), (1055, 27467), (1135, 25531), (2321, 12485), (2497, 11605)]