13149890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 26562816

約数和(自身を除く): 13412926

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 251, 310, 338, 403, 502, 806, 845, 1255, 1690, 2015, 2510, 3263, 4030, 5239, 6526, 7781, 10478, 15562, 16315, 26195, 32630, 38905, 42419, 52390, 77810, 84838, 101153, 202306, 212095, 424190, 505765, 1011530, 1314989, 2629978, 6574945, 13149890]

約数ペア:

[(1, 13149890), (2, 6574945), (5, 2629978), (10, 1314989), (13, 1011530), (26, 505765), (31, 424190), (62, 212095), (65, 202306), (130, 101153), (155, 84838), (169, 77810), (251, 52390), (310, 42419), (338, 38905), (403, 32630), (502, 26195), (806, 16315), (845, 15562), (1255, 10478), (1690, 7781), (2015, 6526), (2510, 5239), (3263, 4030)]