28881190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222163}}^1$

素因数の和:222183

約数の個数: 16

約数和(自身を含む): 55985328

約数和(自身を除く): 27104138

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 222163, 444326, 1110815, 2221630, 2888119, 5776238, 14440595, 28881190]

約数ペア:

[(1, 28881190), (2, 14440595), (5, 5776238), (10, 2888119), (13, 2221630), (26, 1110815), (65, 444326), (130, 222163)]