26890090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{431}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 51508224

約数和(自身を除く): 24618134

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 367, 431, 734, 862, 1835, 2155, 3670, 4310, 6239, 7327, 12478, 14654, 31195, 36635, 62390, 73270, 158177, 316354, 790885, 1581770, 2689009, 5378018, 13445045, 26890090]

約数ペア:

[(1, 26890090), (2, 13445045), (5, 5378018), (10, 2689009), (17, 1581770), (34, 790885), (85, 316354), (170, 158177), (367, 73270), (431, 62390), (734, 36635), (862, 31195), (1835, 14654), (2155, 12478), (3670, 7327), (4310, 6239)]