648908288

素因数分解:

$2^9\times 7^1\times {\mathrm{331}}^1\times {\mathrm{547}}^1$

素因数の和:903

約数の個数: 80

約数和(自身を含む): 1488964224

約数和(自身を除く): 840055936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 331, 448, 512, 547, 662, 896, 1094, 1324, 1792, 2188, 2317, 2648, 3584, 3829, 4376, 4634, 5296, 7658, 8752, 9268, 10592, 15316, 17504, 18536, 21184, 30632, 35008, 37072, 42368, 61264, 70016, 74144, 84736, 122528, 140032, 148288, 169472, 181057, 245056, 280064, 296576, 362114, 490112, 593152, 724228, 980224, 1186304, 1267399, 1448456, 1960448, 2534798, 2896912, 5069596, 5793824, 10139192, 11587648, 20278384, 23175296, 40556768, 46350592, 81113536, 92701184, 162227072, 324454144, 648908288]

約数ペア:

[(1, 648908288), (2, 324454144), (4, 162227072), (7, 92701184), (8, 81113536), (14, 46350592), (16, 40556768), (28, 23175296), (32, 20278384), (56, 11587648), (64, 10139192), (112, 5793824), (128, 5069596), (224, 2896912), (256, 2534798), (331, 1960448), (448, 1448456), (512, 1267399), (547, 1186304), (662, 980224), (896, 724228), (1094, 593152), (1324, 490112), (1792, 362114), (2188, 296576), (2317, 280064), (2648, 245056), (3584, 181057), (3829, 169472), (4376, 148288), (4634, 140032), (5296, 122528), (7658, 84736), (8752, 74144), (9268, 70016), (10592, 61264), (15316, 42368), (17504, 37072), (18536, 35008), (21184, 30632)]