212304895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 288645120

約数和(自身を除く): 76340225

約数列:

[1, 5, 11, 31, 55, 155, 239, 341, 521, 1195, 1705, 2605, 2629, 5731, 7409, 13145, 16151, 28655, 37045, 80755, 81499, 124519, 177661, 407495, 622595, 888305, 1369709, 3860089, 6848545, 19300445, 42460979, 212304895]

約数ペア:

[(1, 212304895), (5, 42460979), (11, 19300445), (31, 6848545), (55, 3860089), (155, 1369709), (239, 888305), (341, 622595), (521, 407495), (1195, 177661), (1705, 124519), (2605, 81499), (2629, 80755), (5731, 37045), (7409, 28655), (13145, 16151)]