28729675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 38764880

約数和(自身を除く): 10035205

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 811, 1417, 2725, 4055, 7085, 10543, 20275, 35425, 52715, 88399, 263575, 441995, 1149187, 2209975, 5745935, 28729675]

約数ペア:

[(1, 28729675), (5, 5745935), (13, 2209975), (25, 1149187), (65, 441995), (109, 263575), (325, 88399), (545, 52715), (811, 35425), (1417, 20275), (2725, 10543), (4055, 7085)]