198543475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{26561}}^1$

素因数の和:26607

約数の個数: 24

約数和(自身を含む): 276669792

約数和(自身を除く): 78126317

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 7475, 26561, 132805, 345293, 610903, 664025, 1726465, 3054515, 7941739, 8632325, 15272575, 39708695, 198543475]

約数ペア:

[(1, 198543475), (5, 39708695), (13, 15272575), (23, 8632325), (25, 7941739), (65, 3054515), (115, 1726465), (299, 664025), (325, 610903), (575, 345293), (1495, 132805), (7475, 26561)]