257211612

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{12601}}^1$

素因数の和:12630

約数の個数: 84

約数和(自身を含む): 771343216

約数和(自身を除く): 514131604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1134, 1458, 1701, 2268, 2916, 3402, 5103, 6804, 10206, 12601, 20412, 25202, 37803, 50404, 75606, 88207, 113409, 151212, 176414, 226818, 264621, 340227, 352828, 453636, 529242, 680454, 793863, 1020681, 1058484, 1360908, 1587726, 2041362, 2381589, 3062043, 3175452, 4082724, 4763178, 6124086, 7144767, 9186129, 9526356, 12248172, 14289534, 18372258, 21434301, 28579068, 36744516, 42868602, 64302903, 85737204, 128605806, 257211612]

約数ペア:

[(1, 257211612), (2, 128605806), (3, 85737204), (4, 64302903), (6, 42868602), (7, 36744516), (9, 28579068), (12, 21434301), (14, 18372258), (18, 14289534), (21, 12248172), (27, 9526356), (28, 9186129), (36, 7144767), (42, 6124086), (54, 4763178), (63, 4082724), (81, 3175452), (84, 3062043), (108, 2381589), (126, 2041362), (162, 1587726), (189, 1360908), (243, 1058484), (252, 1020681), (324, 793863), (378, 680454), (486, 529242), (567, 453636), (729, 352828), (756, 340227), (972, 264621), (1134, 226818), (1458, 176414), (1701, 151212), (2268, 113409), (2916, 88207), (3402, 75606), (5103, 50404), (6804, 37803), (10206, 25202), (12601, 20412)]