16991906

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{5171}}^1$

素因数の和:5257

約数の個数: 16

約数和(自身を含む): 26811648

約数和(自身を除く): 9819742

約数列:

[1, 2, 31, 53, 62, 106, 1643, 3286, 5171, 10342, 160301, 274063, 320602, 548126, 8495953, 16991906]

約数ペア:

[(1, 16991906), (2, 8495953), (31, 548126), (53, 320602), (62, 274063), (106, 160301), (1643, 10342), (3286, 5171)]