216288254

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 413952000

約数和(自身を除く): 197663746

約数列:

[1, 2, 7, 13, 14, 26, 49, 79, 91, 98, 158, 182, 307, 343, 553, 614, 637, 686, 1027, 1106, 1274, 2054, 2149, 3871, 3991, 4298, 4459, 7189, 7742, 7982, 8918, 14378, 15043, 24253, 27097, 27937, 30086, 48506, 50323, 54194, 55874, 100646, 105301, 169771, 195559, 210602, 315289, 339542, 352261, 391118, 630578, 704522, 1188397, 1368913, 2207023, 2376794, 2737826, 4414046, 8318779, 15449161, 16637558, 30898322, 108144127, 216288254]

約数ペア:

[(1, 216288254), (2, 108144127), (7, 30898322), (13, 16637558), (14, 15449161), (26, 8318779), (49, 4414046), (79, 2737826), (91, 2376794), (98, 2207023), (158, 1368913), (182, 1188397), (307, 704522), (343, 630578), (553, 391118), (614, 352261), (637, 339542), (686, 315289), (1027, 210602), (1106, 195559), (1274, 169771), (2054, 105301), (2149, 100646), (3871, 55874), (3991, 54194), (4298, 50323), (4459, 48506), (7189, 30086), (7742, 27937), (7982, 27097), (8918, 24253), (14378, 15043)]