1263005

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 16

約数和(自身を含む): 1593648

約数和(自身を除く): 330643

約数列:

[1, 5, 41, 61, 101, 205, 305, 505, 2501, 4141, 6161, 12505, 20705, 30805, 252601, 1263005]

約数ペア:

[(1, 1263005), (5, 252601), (41, 30805), (61, 20705), (101, 12505), (205, 6161), (305, 4141), (505, 2501)]