210885025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{5953}}^1$

素因数の和:6085

約数の個数: 24

約数和(自身を含む): 284243960

約数和(自身を除く): 73358935

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1417, 2725, 5953, 7085, 29765, 35425, 77389, 148825, 386945, 648877, 1934725, 3244385, 8435401, 16221925, 42177005, 210885025]

約数ペア:

[(1, 210885025), (5, 42177005), (13, 16221925), (25, 8435401), (65, 3244385), (109, 1934725), (325, 648877), (545, 386945), (1417, 148825), (2725, 77389), (5953, 35425), (7085, 29765)]