2451515185

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1262

約数の個数: 64

約数和(自身を含む): 3690086400

約数和(自身を除く): 1238571215

約数列:

[1, 5, 7, 19, 31, 35, 95, 109, 133, 155, 217, 545, 589, 665, 763, 1085, 1091, 2071, 2945, 3379, 3815, 4123, 5455, 7637, 10355, 14497, 16895, 20615, 20729, 23653, 33821, 38185, 64201, 72485, 103645, 118265, 118919, 145103, 169105, 236747, 321005, 449407, 594595, 642599, 725515, 832433, 1183735, 2247035, 2259461, 3212995, 3686489, 4162165, 4498193, 11297305, 15816227, 18432445, 22490965, 25805423, 70043291, 79081135, 129027115, 350216455, 490303037, 2451515185]

約数ペア:

[(1, 2451515185), (5, 490303037), (7, 350216455), (19, 129027115), (31, 79081135), (35, 70043291), (95, 25805423), (109, 22490965), (133, 18432445), (155, 15816227), (217, 11297305), (545, 4498193), (589, 4162165), (665, 3686489), (763, 3212995), (1085, 2259461), (1091, 2247035), (2071, 1183735), (2945, 832433), (3379, 725515), (3815, 642599), (4123, 594595), (5455, 449407), (7637, 321005), (10355, 236747), (14497, 169105), (16895, 145103), (20615, 118919), (20729, 118265), (23653, 103645), (33821, 72485), (38185, 64201)]