7426458

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 10717542

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 117, 142, 149, 213, 234, 298, 351, 426, 447, 639, 702, 894, 923, 1278, 1341, 1846, 1917, 1937, 2682, 2769, 3834, 3874, 4023, 5538, 5811, 8046, 8307, 10579, 11622, 16614, 17433, 21158, 24921, 31737, 34866, 49842, 52299, 63474, 95211, 104598, 137527, 190422, 275054, 285633, 412581, 571266, 825162, 1237743, 2475486, 3713229, 7426458]

約数ペア:

[(1, 7426458), (2, 3713229), (3, 2475486), (6, 1237743), (9, 825162), (13, 571266), (18, 412581), (26, 285633), (27, 275054), (39, 190422), (54, 137527), (71, 104598), (78, 95211), (117, 63474), (142, 52299), (149, 49842), (213, 34866), (234, 31737), (298, 24921), (351, 21158), (426, 17433), (447, 16614), (639, 11622), (702, 10579), (894, 8307), (923, 8046), (1278, 5811), (1341, 5538), (1846, 4023), (1917, 3874), (1937, 3834), (2682, 2769)]