28772432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 64995840

約数和(自身を除く): 36223408

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 79, 103, 104, 136, 158, 206, 208, 221, 272, 316, 412, 442, 632, 824, 884, 1027, 1264, 1339, 1343, 1648, 1751, 1768, 2054, 2678, 2686, 3502, 3536, 4108, 5356, 5372, 7004, 8137, 8216, 10712, 10744, 14008, 16274, 16432, 17459, 21424, 21488, 22763, 28016, 32548, 34918, 45526, 65096, 69836, 91052, 105781, 130192, 138329, 139672, 182104, 211562, 276658, 279344, 364208, 423124, 553316, 846248, 1106632, 1692496, 1798277, 2213264, 3596554, 7193108, 14386216, 28772432]

約数ペア:

[(1, 28772432), (2, 14386216), (4, 7193108), (8, 3596554), (13, 2213264), (16, 1798277), (17, 1692496), (26, 1106632), (34, 846248), (52, 553316), (68, 423124), (79, 364208), (103, 279344), (104, 276658), (136, 211562), (158, 182104), (206, 139672), (208, 138329), (221, 130192), (272, 105781), (316, 91052), (412, 69836), (442, 65096), (632, 45526), (824, 34918), (884, 32548), (1027, 28016), (1264, 22763), (1339, 21488), (1343, 21424), (1648, 17459), (1751, 16432), (1768, 16274), (2054, 14008), (2678, 10744), (2686, 10712), (3502, 8216), (3536, 8137), (4108, 7004), (5356, 5372)]