71142175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 102805920

約数和(自身を除く): 31663745

約数列:

[1, 5, 13, 19, 25, 41, 65, 95, 205, 247, 281, 325, 475, 533, 779, 1025, 1235, 1405, 2665, 3653, 3895, 5339, 6175, 7025, 10127, 11521, 13325, 18265, 19475, 26695, 50635, 57605, 69407, 91325, 133475, 149773, 218899, 253175, 288025, 347035, 748865, 1094495, 1735175, 2845687, 3744325, 5472475, 14228435, 71142175]

約数ペア:

[(1, 71142175), (5, 14228435), (13, 5472475), (19, 3744325), (25, 2845687), (41, 1735175), (65, 1094495), (95, 748865), (205, 347035), (247, 288025), (281, 253175), (325, 218899), (475, 149773), (533, 133475), (779, 91325), (1025, 69407), (1235, 57605), (1405, 50635), (2665, 26695), (3653, 19475), (3895, 18265), (5339, 13325), (6175, 11521), (7025, 10127)]