212361656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 446208000

約数和(自身を除く): 233846344

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 199, 248, 331, 398, 403, 662, 796, 806, 1324, 1592, 1612, 2587, 2648, 3224, 4303, 5174, 6169, 8606, 10261, 10348, 12338, 17212, 20522, 20696, 24676, 34424, 41044, 49352, 65869, 80197, 82088, 131738, 133393, 160394, 263476, 266786, 320788, 526952, 533572, 641576, 856297, 1067144, 1712594, 2041939, 3425188, 4083878, 6850376, 8167756, 16335512, 26545207, 53090414, 106180828, 212361656]

約数ペア:

[(1, 212361656), (2, 106180828), (4, 53090414), (8, 26545207), (13, 16335512), (26, 8167756), (31, 6850376), (52, 4083878), (62, 3425188), (104, 2041939), (124, 1712594), (199, 1067144), (248, 856297), (331, 641576), (398, 533572), (403, 526952), (662, 320788), (796, 266786), (806, 263476), (1324, 160394), (1592, 133393), (1612, 131738), (2587, 82088), (2648, 80197), (3224, 65869), (4303, 49352), (5174, 41044), (6169, 34424), (8606, 24676), (10261, 20696), (10348, 20522), (12338, 17212)]