40865279

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 52859520

約数和(自身を除く): 11994241

約数列:

[1, 7, 13, 37, 53, 91, 229, 259, 371, 481, 689, 1603, 1961, 2977, 3367, 4823, 8473, 12137, 13727, 20839, 25493, 59311, 84959, 110149, 157781, 178451, 449069, 771043, 1104467, 3143483, 5837897, 40865279]

約数ペア:

[(1, 40865279), (7, 5837897), (13, 3143483), (37, 1104467), (53, 771043), (91, 449069), (229, 178451), (259, 157781), (371, 110149), (481, 84959), (689, 59311), (1603, 25493), (1961, 20839), (2977, 13727), (3367, 12137), (4823, 8473)]