28219518

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^2\times {\mathrm{311}}^1$

素因数の和:461

約数の個数: 36

約数和(自身を含む): 62214984

約数和(自身を除く): 33995466

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 311, 426, 622, 639, 933, 1278, 1866, 2799, 5041, 5598, 10082, 15123, 22081, 30246, 44162, 45369, 66243, 90738, 132486, 198729, 397458, 1567751, 3135502, 4703253, 9406506, 14109759, 28219518]

約数ペア:

[(1, 28219518), (2, 14109759), (3, 9406506), (6, 4703253), (9, 3135502), (18, 1567751), (71, 397458), (142, 198729), (213, 132486), (311, 90738), (426, 66243), (622, 45369), (639, 44162), (933, 30246), (1278, 22081), (1866, 15123), (2799, 10082), (5041, 5598)]