28283418

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2544

約数の個数: 40

約数和(自身を含む): 64294560

約数和(自身を除く): 36011142

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 2459, 3834, 4918, 5751, 7377, 11502, 14754, 22131, 44262, 66393, 132786, 174589, 199179, 349178, 398358, 523767, 1047534, 1571301, 3142602, 4713903, 9427806, 14141709, 28283418]

約数ペア:

[(1, 28283418), (2, 14141709), (3, 9427806), (6, 4713903), (9, 3142602), (18, 1571301), (27, 1047534), (54, 523767), (71, 398358), (81, 349178), (142, 199179), (162, 174589), (213, 132786), (426, 66393), (639, 44262), (1278, 22131), (1917, 14754), (2459, 11502), (3834, 7377), (4918, 5751)]