28441730

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{31957}}^1$

素因数の和:32053

約数の個数: 16

約数和(自身を含む): 51771960

約数和(自身を除く): 23330230

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 31957, 63914, 159785, 319570, 2844173, 5688346, 14220865, 28441730]

約数ペア:

[(1, 28441730), (2, 14220865), (5, 5688346), (10, 2844173), (89, 319570), (178, 159785), (445, 63914), (890, 31957)]