72381518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 121305600

約数和(自身を除く): 48924082

約数列:

[1, 2, 11, 22, 71, 142, 149, 298, 311, 622, 781, 1562, 1639, 3278, 3421, 6842, 10579, 21158, 22081, 44162, 46339, 92678, 116369, 232738, 242891, 485782, 509729, 1019458, 3290069, 6580138, 36190759, 72381518]

約数ペア:

[(1, 72381518), (2, 36190759), (11, 6580138), (22, 3290069), (71, 1019458), (142, 509729), (149, 485782), (298, 242891), (311, 232738), (622, 116369), (781, 92678), (1562, 46339), (1639, 44162), (3278, 22081), (3421, 21158), (6842, 10579)]