4998425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 6919200

約数和(自身を除く): 1920775

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 619, 1615, 3095, 8075, 10523, 11761, 15475, 52615, 58805, 199937, 263075, 294025, 999685, 4998425]

約数ペア:

[(1, 4998425), (5, 999685), (17, 294025), (19, 263075), (25, 199937), (85, 58805), (95, 52615), (323, 15475), (425, 11761), (475, 10523), (619, 8075), (1615, 3095)]