31918964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3343}}^1$

素因数の和:3396

約数の個数: 48

約数和(自身を含む): 71909376

約数和(自身を除く): 39990412

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 3343, 4774, 6686, 9548, 13372, 23401, 36773, 46802, 73546, 93604, 103633, 147092, 207266, 257411, 414532, 514822, 725431, 1029644, 1139963, 1450862, 2279926, 2901724, 4559852, 7979741, 15959482, 31918964]

約数ペア:

[(1, 31918964), (2, 15959482), (4, 7979741), (7, 4559852), (11, 2901724), (14, 2279926), (22, 1450862), (28, 1139963), (31, 1029644), (44, 725431), (62, 514822), (77, 414532), (124, 257411), (154, 207266), (217, 147092), (308, 103633), (341, 93604), (434, 73546), (682, 46802), (868, 36773), (1364, 23401), (2387, 13372), (3343, 9548), (4774, 6686)]