221197285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 293632992

約数和(自身を除く): 72435707

約数列:

[1, 5, 17, 37, 61, 85, 185, 305, 629, 1037, 1153, 2257, 3145, 5185, 5765, 11285, 19601, 38369, 42661, 70333, 98005, 191845, 213305, 351665, 725237, 1195661, 2602321, 3626185, 5978305, 13011605, 44239457, 221197285]

約数ペア:

[(1, 221197285), (5, 44239457), (17, 13011605), (37, 5978305), (61, 3626185), (85, 2602321), (185, 1195661), (305, 725237), (629, 351665), (1037, 213305), (1153, 191845), (2257, 98005), (3145, 70333), (5185, 42661), (5765, 38369), (11285, 19601)]