55405476

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{641}}^1$

素因数の和:679

約数の個数: 90

約数和(自身を含む): 163640022

約数和(自身を除く): 108234546

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 641, 686, 882, 1029, 1282, 1372, 1764, 1923, 2058, 2401, 2564, 3087, 3846, 4116, 4487, 4802, 5769, 6174, 7203, 7692, 8974, 9604, 11538, 12348, 13461, 14406, 17948, 21609, 23076, 26922, 28812, 31409, 40383, 43218, 53844, 62818, 80766, 86436, 94227, 125636, 161532, 188454, 219863, 282681, 376908, 439726, 565362, 659589, 879452, 1130724, 1319178, 1539041, 1978767, 2638356, 3078082, 3957534, 4617123, 6156164, 7915068, 9234246, 13851369, 18468492, 27702738, 55405476]

約数ペア:

[(1, 55405476), (2, 27702738), (3, 18468492), (4, 13851369), (6, 9234246), (7, 7915068), (9, 6156164), (12, 4617123), (14, 3957534), (18, 3078082), (21, 2638356), (28, 1978767), (36, 1539041), (42, 1319178), (49, 1130724), (63, 879452), (84, 659589), (98, 565362), (126, 439726), (147, 376908), (196, 282681), (252, 219863), (294, 188454), (343, 161532), (441, 125636), (588, 94227), (641, 86436), (686, 80766), (882, 62818), (1029, 53844), (1282, 43218), (1372, 40383), (1764, 31409), (1923, 28812), (2058, 26922), (2401, 23076), (2564, 21609), (3087, 17948), (3846, 14406), (4116, 13461), (4487, 12348), (4802, 11538), (5769, 9604), (6174, 8974), (7203, 7692)]