1257792016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2011}}^1$

素因数の和:2160

約数の個数: 80

約数和(自身を含む): 2738380288

約数和(自身を除く): 1480588272

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 97, 104, 124, 194, 208, 248, 388, 403, 496, 776, 806, 1261, 1552, 1612, 2011, 2522, 3007, 3224, 4022, 5044, 6014, 6448, 8044, 10088, 12028, 16088, 20176, 24056, 26143, 32176, 39091, 48112, 52286, 62341, 78182, 104572, 124682, 156364, 195067, 209144, 249364, 312728, 390134, 418288, 498728, 625456, 780268, 810433, 997456, 1560536, 1620866, 2535871, 3121072, 3241732, 5071742, 6047077, 6483464, 10143484, 12094154, 12966928, 20286968, 24188308, 40573936, 48376616, 78612001, 96753232, 157224002, 314448004, 628896008, 1257792016]

約数ペア:

[(1, 1257792016), (2, 628896008), (4, 314448004), (8, 157224002), (13, 96753232), (16, 78612001), (26, 48376616), (31, 40573936), (52, 24188308), (62, 20286968), (97, 12966928), (104, 12094154), (124, 10143484), (194, 6483464), (208, 6047077), (248, 5071742), (388, 3241732), (403, 3121072), (496, 2535871), (776, 1620866), (806, 1560536), (1261, 997456), (1552, 810433), (1612, 780268), (2011, 625456), (2522, 498728), (3007, 418288), (3224, 390134), (4022, 312728), (5044, 249364), (6014, 209144), (6448, 195067), (8044, 156364), (10088, 124682), (12028, 104572), (16088, 78182), (20176, 62341), (24056, 52286), (26143, 48112), (32176, 39091)]