2812475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 3809280

約数和(自身を除く): 996805

約数列:

[1, 5, 19, 25, 31, 95, 155, 191, 475, 589, 775, 955, 2945, 3629, 4775, 5921, 14725, 18145, 29605, 90725, 112499, 148025, 562495, 2812475]

約数ペア:

[(1, 2812475), (5, 562495), (19, 148025), (25, 112499), (31, 90725), (95, 29605), (155, 18145), (191, 14725), (475, 5921), (589, 4775), (775, 3629), (955, 2945)]