201531386

素因数分解:

$2^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{20021}}^1$

素因数の和:20749

約数の個数: 16

約数和(自身を含む): 345980160

約数和(自身を除く): 144448774

約数列:

[1, 2, 7, 14, 719, 1438, 5033, 10066, 20021, 40042, 140147, 280294, 14395099, 28790198, 100765693, 201531386]

約数ペア:

[(1, 201531386), (2, 100765693), (7, 28790198), (14, 14395099), (719, 280294), (1438, 140147), (5033, 40042), (10066, 20021)]