31505045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 44876160

約数和(自身を除く): 13371115

約数列:

[1, 5, 11, 13, 55, 65, 139, 143, 317, 695, 715, 1529, 1585, 1807, 3487, 4121, 7645, 9035, 17435, 19877, 20605, 44063, 45331, 99385, 220315, 226655, 484693, 572819, 2423465, 2864095, 6301009, 31505045]

約数ペア:

[(1, 31505045), (5, 6301009), (11, 2864095), (13, 2423465), (55, 572819), (65, 484693), (139, 226655), (143, 220315), (317, 99385), (695, 45331), (715, 44063), (1529, 20605), (1585, 19877), (1807, 17435), (3487, 9035), (4121, 7645)]