313374719

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 393808896

約数和(自身を除く): 80434177

約数列:

[1, 7, 17, 37, 103, 119, 259, 629, 691, 721, 1751, 3811, 4403, 4837, 11747, 12257, 25567, 26677, 64787, 71173, 82229, 178969, 434639, 453509, 498211, 1209941, 2633401, 3042473, 8469587, 18433807, 44767817, 313374719]

約数ペア:

[(1, 313374719), (7, 44767817), (17, 18433807), (37, 8469587), (103, 3042473), (119, 2633401), (259, 1209941), (629, 498211), (691, 453509), (721, 434639), (1751, 178969), (3811, 82229), (4403, 71173), (4837, 64787), (11747, 26677), (12257, 25567)]