312980018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{19447}}^1$

素因数の和:20081

約数の個数: 16

約数和(自身を含む): 506425920

約数和(自身を除く): 193445902

約数列:

[1, 2, 13, 26, 619, 1238, 8047, 16094, 19447, 38894, 252811, 505622, 12037693, 24075386, 156490009, 312980018]

約数ペア:

[(1, 312980018), (2, 156490009), (13, 24075386), (26, 12037693), (619, 505622), (1238, 252811), (8047, 38894), (16094, 19447)]