905137394

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1\times {\mathrm{1789}}^1$

素因数の和:2378

約数の個数: 32

約数和(自身を含む): 1577491200

約数和(自身を除く): 672353806

約数列:

[1, 2, 7, 14, 71, 142, 497, 509, 994, 1018, 1789, 3563, 3578, 7126, 12523, 25046, 36139, 72278, 127019, 252973, 254038, 505946, 889133, 910601, 1778266, 1821202, 6374207, 12748414, 64652671, 129305342, 452568697, 905137394]

約数ペア:

[(1, 905137394), (2, 452568697), (7, 129305342), (14, 64652671), (71, 12748414), (142, 6374207), (497, 1821202), (509, 1778266), (994, 910601), (1018, 889133), (1789, 505946), (3563, 254038), (3578, 252973), (7126, 127019), (12523, 72278), (25046, 36139)]