249727010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61967}}^1$

素因数の和:62018

約数の個数: 32

約数和(自身を含む): 499709952

約数和(自身を除く): 249982942

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 61967, 123934, 309835, 619670, 805571, 1611142, 1920977, 3841954, 4027855, 8055710, 9604885, 19209770, 24972701, 49945402, 124863505, 249727010]

約数ペア:

[(1, 249727010), (2, 124863505), (5, 49945402), (10, 24972701), (13, 19209770), (26, 9604885), (31, 8055710), (62, 4027855), (65, 3841954), (130, 1920977), (155, 1611142), (310, 805571), (403, 619670), (806, 309835), (2015, 123934), (4030, 61967)]