28372878

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{149}}^2$

素因数の和:377

約数の個数: 36

約数和(自身を含む): 62761608

約数和(自身を除く): 34388730

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 149, 213, 298, 426, 447, 639, 894, 1278, 1341, 2682, 10579, 21158, 22201, 31737, 44402, 63474, 66603, 95211, 133206, 190422, 199809, 399618, 1576271, 3152542, 4728813, 9457626, 14186439, 28372878]

約数ペア:

[(1, 28372878), (2, 14186439), (3, 9457626), (6, 4728813), (9, 3152542), (18, 1576271), (71, 399618), (142, 199809), (149, 190422), (213, 133206), (298, 95211), (426, 66603), (447, 63474), (639, 44402), (894, 31737), (1278, 22201), (1341, 21158), (2682, 10579)]