398444930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{12211}}^1$

素因数の和:12482

約数の個数: 32

約数和(自身を含む): 775510848

約数和(自身を除く): 377065918

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 1255, 2510, 3263, 6526, 12211, 16315, 24422, 32630, 61055, 122110, 158743, 317486, 793715, 1587430, 3064961, 6129922, 15324805, 30649610, 39844493, 79688986, 199222465, 398444930]

約数ペア:

[(1, 398444930), (2, 199222465), (5, 79688986), (10, 39844493), (13, 30649610), (26, 15324805), (65, 6129922), (130, 3064961), (251, 1587430), (502, 793715), (1255, 317486), (2510, 158743), (3263, 122110), (6526, 61055), (12211, 32630), (16315, 24422)]