78017908

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{971}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 139618080

約数和(自身を除く): 61600172

約数列:

[1, 2, 4, 53, 106, 212, 379, 758, 971, 1516, 1942, 3884, 20087, 40174, 51463, 80348, 102926, 205852, 368009, 736018, 1472036, 19504477, 39008954, 78017908]

約数ペア:

[(1, 78017908), (2, 39008954), (4, 19504477), (53, 1472036), (106, 736018), (212, 368009), (379, 205852), (758, 102926), (971, 80348), (1516, 51463), (1942, 40174), (3884, 20087)]