51515947

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{727}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 60383232

約数和(自身を除く): 8867285

約数列:

[1, 7, 53, 191, 371, 727, 1337, 5089, 10123, 38531, 70861, 138857, 269717, 971999, 7359421, 51515947]

約数ペア:

[(1, 51515947), (7, 7359421), (53, 971999), (191, 269717), (371, 138857), (727, 70861), (1337, 38531), (5089, 10123)]