213541216

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8011}}^1$

素因数の和:8052

約数の個数: 72

約数和(自身を含む): 517879656

約数和(自身を除く): 304338440

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1568, 1666, 1904, 3332, 3808, 6664, 8011, 13328, 16022, 26656, 32044, 56077, 64088, 112154, 128176, 136187, 224308, 256352, 272374, 392539, 448616, 544748, 785078, 897232, 953309, 1089496, 1570156, 1794464, 1906618, 2178992, 3140312, 3813236, 4357984, 6280624, 6673163, 7626472, 12561248, 13346326, 15252944, 26692652, 30505888, 53385304, 106770608, 213541216]

約数ペア:

[(1, 213541216), (2, 106770608), (4, 53385304), (7, 30505888), (8, 26692652), (14, 15252944), (16, 13346326), (17, 12561248), (28, 7626472), (32, 6673163), (34, 6280624), (49, 4357984), (56, 3813236), (68, 3140312), (98, 2178992), (112, 1906618), (119, 1794464), (136, 1570156), (196, 1089496), (224, 953309), (238, 897232), (272, 785078), (392, 544748), (476, 448616), (544, 392539), (784, 272374), (833, 256352), (952, 224308), (1568, 136187), (1666, 128176), (1904, 112154), (3332, 64088), (3808, 56077), (6664, 32044), (8011, 26656), (13328, 16022)]