140447251

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^2\times {\mathrm{149}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 173037600

約数和(自身を除く): 32590349

約数列:

[1, 7, 17, 89, 119, 149, 623, 1043, 1513, 2533, 7921, 10591, 13261, 17731, 55447, 92827, 134657, 225437, 942599, 1180229, 1578059, 8261603, 20063893, 140447251]

約数ペア:

[(1, 140447251), (7, 20063893), (17, 8261603), (89, 1578059), (119, 1180229), (149, 942599), (623, 225437), (1043, 134657), (1513, 92827), (2533, 55447), (7921, 17731), (10591, 13261)]