90987708

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 248312064

約数和(自身を除く): 157324356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 271, 294, 542, 571, 588, 813, 1084, 1142, 1626, 1713, 1897, 2284, 3252, 3426, 3794, 3997, 5691, 6852, 7588, 7994, 11382, 11991, 13279, 15988, 22764, 23982, 26558, 27979, 39837, 47964, 53116, 55958, 79674, 83937, 111916, 154741, 159348, 167874, 309482, 335748, 464223, 618964, 928446, 1083187, 1856892, 2166374, 3249561, 4332748, 6499122, 7582309, 12998244, 15164618, 22746927, 30329236, 45493854, 90987708]

約数ペア:

[(1, 90987708), (2, 45493854), (3, 30329236), (4, 22746927), (6, 15164618), (7, 12998244), (12, 7582309), (14, 6499122), (21, 4332748), (28, 3249561), (42, 2166374), (49, 1856892), (84, 1083187), (98, 928446), (147, 618964), (196, 464223), (271, 335748), (294, 309482), (542, 167874), (571, 159348), (588, 154741), (813, 111916), (1084, 83937), (1142, 79674), (1626, 55958), (1713, 53116), (1897, 47964), (2284, 39837), (3252, 27979), (3426, 26558), (3794, 23982), (3997, 22764), (5691, 15988), (6852, 13279), (7588, 11991), (7994, 11382)]