27718990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213223}}^1$

素因数の和:213243

約数の個数: 16

約数和(自身を含む): 53732448

約数和(自身を除く): 26013458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 213223, 426446, 1066115, 2132230, 2771899, 5543798, 13859495, 27718990]

約数ペア:

[(1, 27718990), (2, 13859495), (5, 5543798), (10, 2771899), (13, 2132230), (26, 1066115), (65, 426446), (130, 213223)]