191509505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 266872320

約数和(自身を除く): 75362815

約数列:

[1, 5, 11, 17, 55, 85, 187, 239, 857, 935, 1195, 2629, 4063, 4285, 9427, 13145, 14569, 20315, 44693, 47135, 72845, 160259, 204823, 223465, 801295, 1024115, 2253053, 3481991, 11265265, 17409955, 38301901, 191509505]

約数ペア:

[(1, 191509505), (5, 38301901), (11, 17409955), (17, 11265265), (55, 3481991), (85, 2253053), (187, 1024115), (239, 801295), (857, 223465), (935, 204823), (1195, 160259), (2629, 72845), (4063, 47135), (4285, 44693), (9427, 20315), (13145, 14569)]