208079048

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 424569600

約数和(自身を除く): 216490552

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 107, 136, 158, 181, 214, 316, 362, 428, 632, 724, 856, 1343, 1448, 1819, 2686, 3077, 3638, 5372, 6154, 7276, 8453, 10744, 12308, 14299, 14552, 16906, 19367, 24616, 28598, 33812, 38734, 57196, 67624, 77468, 114392, 143701, 154936, 243083, 287402, 329239, 486166, 574804, 658478, 972332, 1149608, 1316956, 1529993, 1944664, 2633912, 3059986, 6119972, 12239944, 26009881, 52019762, 104039524, 208079048]

約数ペア:

[(1, 208079048), (2, 104039524), (4, 52019762), (8, 26009881), (17, 12239944), (34, 6119972), (68, 3059986), (79, 2633912), (107, 1944664), (136, 1529993), (158, 1316956), (181, 1149608), (214, 972332), (316, 658478), (362, 574804), (428, 486166), (632, 329239), (724, 287402), (856, 243083), (1343, 154936), (1448, 143701), (1819, 114392), (2686, 77468), (3077, 67624), (3638, 57196), (5372, 38734), (6154, 33812), (7276, 28598), (8453, 24616), (10744, 19367), (12308, 16906), (14299, 14552)]