51111715

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{787}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 63544320

約数和(自身を除く): 12432605

約数列:

[1, 5, 31, 155, 419, 787, 2095, 3935, 12989, 24397, 64945, 121985, 329753, 1648765, 10222343, 51111715]

約数ペア:

[(1, 51111715), (5, 10222343), (31, 1648765), (155, 329753), (419, 121985), (787, 64945), (2095, 24397), (3935, 12989)]