22919975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 30935520

約数和(自身を除く): 8015545

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 647, 1417, 2725, 3235, 7085, 8411, 16175, 35425, 42055, 70523, 210275, 352615, 916799, 1763075, 4583995, 22919975]

約数ペア:

[(1, 22919975), (5, 4583995), (13, 1763075), (25, 916799), (65, 352615), (109, 210275), (325, 70523), (545, 42055), (647, 35425), (1417, 16175), (2725, 8411), (3235, 7085)]