81718488

素因数分解:

$2^3\times 3^2\times {\mathrm{307}}^1\times {\mathrm{3697}}^1$

素因数の和:4016

約数の個数: 48

約数和(自身を含む): 222101880

約数和(自身を除く): 140383392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 307, 614, 921, 1228, 1842, 2456, 2763, 3684, 3697, 5526, 7368, 7394, 11052, 11091, 14788, 22104, 22182, 29576, 33273, 44364, 66546, 88728, 133092, 266184, 1134979, 2269958, 3404937, 4539916, 6809874, 9079832, 10214811, 13619748, 20429622, 27239496, 40859244, 81718488]

約数ペア:

[(1, 81718488), (2, 40859244), (3, 27239496), (4, 20429622), (6, 13619748), (8, 10214811), (9, 9079832), (12, 6809874), (18, 4539916), (24, 3404937), (36, 2269958), (72, 1134979), (307, 266184), (614, 133092), (921, 88728), (1228, 66546), (1842, 44364), (2456, 33273), (2763, 29576), (3684, 22182), (3697, 22104), (5526, 14788), (7368, 11091), (7394, 11052)]