1216475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 1718640

約数和(自身を除く): 502165

約数列:

[1, 5, 13, 19, 25, 65, 95, 197, 247, 325, 475, 985, 1235, 2561, 3743, 4925, 6175, 12805, 18715, 48659, 64025, 93575, 243295, 1216475]

約数ペア:

[(1, 1216475), (5, 243295), (13, 93575), (19, 64025), (25, 48659), (65, 18715), (95, 12805), (197, 6175), (247, 4925), (325, 3743), (475, 2561), (985, 1235)]