28216130

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 52974000

約数和(自身を除く): 24757870

約数列:

[1, 2, 5, 10, 29, 58, 145, 149, 290, 298, 653, 745, 1306, 1490, 3265, 4321, 6530, 8642, 18937, 21605, 37874, 43210, 94685, 97297, 189370, 194594, 486485, 972970, 2821613, 5643226, 14108065, 28216130]

約数ペア:

[(1, 28216130), (2, 14108065), (5, 5643226), (10, 2821613), (29, 972970), (58, 486485), (145, 194594), (149, 189370), (290, 97297), (298, 94685), (653, 43210), (745, 37874), (1306, 21605), (1490, 18937), (3265, 8642), (4321, 6530)]