206571728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 449971200

約数和(自身を除く): 243399472

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 83, 88, 158, 166, 176, 179, 316, 332, 358, 632, 664, 716, 869, 913, 1264, 1328, 1432, 1738, 1826, 1969, 2864, 3476, 3652, 3938, 6557, 6952, 7304, 7876, 13114, 13904, 14141, 14608, 14857, 15752, 26228, 28282, 29714, 31504, 52456, 56564, 59428, 72127, 104912, 113128, 118856, 144254, 155551, 163427, 226256, 237712, 288508, 311102, 326854, 577016, 622204, 653708, 1154032, 1173703, 1244408, 1307416, 2347406, 2488816, 2614832, 4694812, 9389624, 12910733, 18779248, 25821466, 51642932, 103285864, 206571728]

約数ペア:

[(1, 206571728), (2, 103285864), (4, 51642932), (8, 25821466), (11, 18779248), (16, 12910733), (22, 9389624), (44, 4694812), (79, 2614832), (83, 2488816), (88, 2347406), (158, 1307416), (166, 1244408), (176, 1173703), (179, 1154032), (316, 653708), (332, 622204), (358, 577016), (632, 326854), (664, 311102), (716, 288508), (869, 237712), (913, 226256), (1264, 163427), (1328, 155551), (1432, 144254), (1738, 118856), (1826, 113128), (1969, 104912), (2864, 72127), (3476, 59428), (3652, 56564), (3938, 52456), (6557, 31504), (6952, 29714), (7304, 28282), (7876, 26228), (13114, 15752), (13904, 14857), (14141, 14608)]