211310515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2143}}^1$

素因数の和:2239

約数の個数: 32

約数和(自身を含む): 287433216

約数和(自身を除く): 76122701

約数列:

[1, 5, 13, 37, 41, 65, 185, 205, 481, 533, 1517, 2143, 2405, 2665, 7585, 10715, 19721, 27859, 79291, 87863, 98605, 139295, 396455, 439315, 1030783, 1142219, 3250931, 5153915, 5711095, 16254655, 42262103, 211310515]

約数ペア:

[(1, 211310515), (5, 42262103), (13, 16254655), (37, 5711095), (41, 5153915), (65, 3250931), (185, 1142219), (205, 1030783), (481, 439315), (533, 396455), (1517, 139295), (2143, 98605), (2405, 87863), (2665, 79291), (7585, 27859), (10715, 19721)]