1291939198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1894339}}^1$

素因数の和:1894383

約数の個数: 16

約数和(自身を含む): 2182279680

約数和(自身を除く): 890340482

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 1894339, 3788678, 20837729, 41675458, 58724509, 117449018, 645969599, 1291939198]

約数ペア:

[(1, 1291939198), (2, 645969599), (11, 117449018), (22, 58724509), (31, 41675458), (62, 20837729), (341, 3788678), (682, 1894339)]