218528464

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2108

約数の個数: 80

約数和(自身を含む): 534072960

約数和(自身を除く): 315544496

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 89, 112, 154, 176, 178, 308, 356, 616, 623, 712, 979, 1232, 1246, 1424, 1958, 1993, 2492, 3916, 3986, 4984, 6853, 7832, 7972, 9968, 13706, 13951, 15664, 15944, 21923, 27412, 27902, 31888, 43846, 54824, 55804, 87692, 109648, 111608, 153461, 175384, 177377, 223216, 306922, 350768, 354754, 613844, 709508, 1227688, 1241639, 1419016, 1951147, 2455376, 2483278, 2838032, 3902294, 4966556, 7804588, 9933112, 13658029, 15609176, 19866224, 27316058, 31218352, 54632116, 109264232, 218528464]

約数ペア:

[(1, 218528464), (2, 109264232), (4, 54632116), (7, 31218352), (8, 27316058), (11, 19866224), (14, 15609176), (16, 13658029), (22, 9933112), (28, 7804588), (44, 4966556), (56, 3902294), (77, 2838032), (88, 2483278), (89, 2455376), (112, 1951147), (154, 1419016), (176, 1241639), (178, 1227688), (308, 709508), (356, 613844), (616, 354754), (623, 350768), (712, 306922), (979, 223216), (1232, 177377), (1246, 175384), (1424, 153461), (1958, 111608), (1993, 109648), (2492, 87692), (3916, 55804), (3986, 54824), (4984, 43846), (6853, 31888), (7832, 27902), (7972, 27412), (9968, 21923), (13706, 15944), (13951, 15664)]