664013984

素因数分解:

$2^5\times {\mathrm{257}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 1321645248

約数和(自身を除く): 657631264

約数列:

[1, 2, 4, 8, 16, 32, 257, 263, 307, 514, 526, 614, 1028, 1052, 1228, 2056, 2104, 2456, 4112, 4208, 4912, 8224, 8416, 9824, 67591, 78899, 80741, 135182, 157798, 161482, 270364, 315596, 322964, 540728, 631192, 645928, 1081456, 1262384, 1291856, 2162912, 2524768, 2583712, 20750437, 41500874, 83001748, 166003496, 332006992, 664013984]

約数ペア:

[(1, 664013984), (2, 332006992), (4, 166003496), (8, 83001748), (16, 41500874), (32, 20750437), (257, 2583712), (263, 2524768), (307, 2162912), (514, 1291856), (526, 1262384), (614, 1081456), (1028, 645928), (1052, 631192), (1228, 540728), (2056, 322964), (2104, 315596), (2456, 270364), (4112, 161482), (4208, 157798), (4912, 135182), (8224, 80741), (8416, 78899), (9824, 67591)]