289940405

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{7603}}^1$

素因数の和:7900

約数の個数: 16

約数和(自身を含む): 361342080

約数和(自身を除く): 71401675

約数列:

[1, 5, 29, 145, 263, 1315, 7603, 7627, 38015, 38135, 220487, 1102435, 1999589, 9997945, 57988081, 289940405]

約数ペア:

[(1, 289940405), (5, 57988081), (29, 9997945), (145, 1999589), (263, 1102435), (1315, 220487), (7603, 38135), (7627, 38015)]