257594532

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1893

約数の個数: 72

約数和(自身を含む): 660381120

約数和(自身を除く): 402786588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 169, 213, 284, 338, 426, 507, 676, 852, 923, 1014, 1789, 1846, 2028, 2769, 3578, 3692, 5367, 5538, 7156, 10734, 11076, 11999, 21468, 23257, 23998, 35997, 46514, 47996, 69771, 71994, 93028, 127019, 139542, 143988, 254038, 279084, 302341, 381057, 508076, 604682, 762114, 907023, 1209364, 1524228, 1651247, 1814046, 3302494, 3628092, 4953741, 6604988, 9907482, 19814964, 21466211, 42932422, 64398633, 85864844, 128797266, 257594532]

約数ペア:

[(1, 257594532), (2, 128797266), (3, 85864844), (4, 64398633), (6, 42932422), (12, 21466211), (13, 19814964), (26, 9907482), (39, 6604988), (52, 4953741), (71, 3628092), (78, 3302494), (142, 1814046), (156, 1651247), (169, 1524228), (213, 1209364), (284, 907023), (338, 762114), (426, 604682), (507, 508076), (676, 381057), (852, 302341), (923, 279084), (1014, 254038), (1789, 143988), (1846, 139542), (2028, 127019), (2769, 93028), (3578, 71994), (3692, 69771), (5367, 47996), (5538, 46514), (7156, 35997), (10734, 23998), (11076, 23257), (11999, 21468)]