1664978938

素因数分解:

$2^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1327}}^1$

素因数の和:1440

約数の個数: 64

約数和(自身を含む): 3059712000

約数和(自身を除く): 1394733062

約数列:

[1, 2, 7, 14, 31, 49, 59, 62, 98, 118, 217, 343, 413, 434, 686, 826, 1327, 1519, 1829, 2654, 2891, 3038, 3658, 5782, 9289, 10633, 12803, 18578, 20237, 21266, 25606, 40474, 41137, 65023, 78293, 82274, 89621, 130046, 156586, 179242, 287959, 455161, 548051, 575918, 627347, 910322, 1096102, 1254694, 2015713, 2427083, 3836357, 4031426, 4854166, 7672714, 14109991, 16989581, 26854499, 28219982, 33979162, 53708998, 118927067, 237854134, 832489469, 1664978938]

約数ペア:

[(1, 1664978938), (2, 832489469), (7, 237854134), (14, 118927067), (31, 53708998), (49, 33979162), (59, 28219982), (62, 26854499), (98, 16989581), (118, 14109991), (217, 7672714), (343, 4854166), (413, 4031426), (434, 3836357), (686, 2427083), (826, 2015713), (1327, 1254694), (1519, 1096102), (1829, 910322), (2654, 627347), (2891, 575918), (3038, 548051), (3658, 455161), (5782, 287959), (9289, 179242), (10633, 156586), (12803, 130046), (18578, 89621), (20237, 82274), (21266, 78293), (25606, 65023), (40474, 41137)]