1668290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 3323376

約数和(自身を除く): 1655086

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 313, 410, 533, 626, 1066, 1565, 2665, 3130, 4069, 5330, 8138, 12833, 20345, 25666, 40690, 64165, 128330, 166829, 333658, 834145, 1668290]

約数ペア:

[(1, 1668290), (2, 834145), (5, 333658), (10, 166829), (13, 128330), (26, 64165), (41, 40690), (65, 25666), (82, 20345), (130, 12833), (205, 8138), (313, 5330), (410, 4069), (533, 3130), (626, 2665), (1066, 1565)]