81559244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{17623}}^1$

素因数の和:17729

約数の個数: 24

約数和(自身を含む): 155443680

約数和(自身を除く): 73884436

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 17623, 35246, 70492, 229099, 458198, 916396, 1568447, 3136894, 6273788, 20389811, 40779622, 81559244]

約数ペア:

[(1, 81559244), (2, 40779622), (4, 20389811), (13, 6273788), (26, 3136894), (52, 1568447), (89, 916396), (178, 458198), (356, 229099), (1157, 70492), (2314, 35246), (4628, 17623)]