28754418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 72483840

約数和(自身を除く): 43729422

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 109, 154, 218, 231, 327, 462, 571, 654, 763, 1142, 1199, 1526, 1713, 2289, 2398, 3426, 3597, 3997, 4578, 6281, 7194, 7994, 8393, 11991, 12562, 16786, 18843, 23982, 25179, 37686, 43967, 50358, 62239, 87934, 124478, 131901, 186717, 263802, 373434, 435673, 684629, 871346, 1307019, 1369258, 2053887, 2614038, 4107774, 4792403, 9584806, 14377209, 28754418]

約数ペア:

[(1, 28754418), (2, 14377209), (3, 9584806), (6, 4792403), (7, 4107774), (11, 2614038), (14, 2053887), (21, 1369258), (22, 1307019), (33, 871346), (42, 684629), (66, 435673), (77, 373434), (109, 263802), (154, 186717), (218, 131901), (231, 124478), (327, 87934), (462, 62239), (571, 50358), (654, 43967), (763, 37686), (1142, 25179), (1199, 23982), (1526, 18843), (1713, 16786), (2289, 12562), (2398, 11991), (3426, 8393), (3597, 7994), (3997, 7194), (4578, 6281)]