389675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 572880

約数和(自身を除く): 183205

約数列:

[1, 5, 11, 13, 25, 55, 65, 109, 143, 275, 325, 545, 715, 1199, 1417, 2725, 3575, 5995, 7085, 15587, 29975, 35425, 77935, 389675]

約数ペア:

[(1, 389675), (5, 77935), (11, 35425), (13, 29975), (25, 15587), (55, 7085), (65, 5995), (109, 3575), (143, 2725), (275, 1417), (325, 1199), (545, 715)]