28640049

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8237}}^1$

素因数の和:8320

約数の個数: 16

約数和(自身を含む): 40860480

約数和(自身を除く): 12220431

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 8237, 24711, 156503, 469509, 502457, 1507371, 9546683, 28640049]

約数ペア:

[(1, 28640049), (3, 9546683), (19, 1507371), (57, 502457), (61, 469509), (183, 156503), (1159, 24711), (3477, 8237)]