78115972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{5087}}^1$

素因数の和:5451

約数の個数: 24

約数和(自身を含む): 149587200

約数和(自身を除く): 71471228

約数列:

[1, 2, 4, 11, 22, 44, 349, 698, 1396, 3839, 5087, 7678, 10174, 15356, 20348, 55957, 111914, 223828, 1775363, 3550726, 7101452, 19528993, 39057986, 78115972]

約数ペア:

[(1, 78115972), (2, 39057986), (4, 19528993), (11, 7101452), (22, 3550726), (44, 1775363), (349, 223828), (698, 111914), (1396, 55957), (3839, 20348), (5087, 15356), (7678, 10174)]