28638557

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 31456512

約数和(自身を除く): 2817955

約数列:

[1, 17, 47, 73, 491, 799, 1241, 3431, 8347, 23077, 35843, 58327, 392309, 609331, 1684621, 28638557]

約数ペア:

[(1, 28638557), (17, 1684621), (47, 609331), (73, 392309), (491, 58327), (799, 35843), (1241, 23077), (3431, 8347)]