28657376

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4789}}^1$

素因数の和:4827

約数の個数: 48

約数和(自身を含む): 65182320

約数和(自身を除く): 36524944

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 4789, 5984, 9578, 19156, 38312, 52679, 76624, 81413, 105358, 153248, 162826, 210716, 325652, 421432, 651304, 842864, 895543, 1302608, 1685728, 1791086, 2605216, 3582172, 7164344, 14328688, 28657376]

約数ペア:

[(1, 28657376), (2, 14328688), (4, 7164344), (8, 3582172), (11, 2605216), (16, 1791086), (17, 1685728), (22, 1302608), (32, 895543), (34, 842864), (44, 651304), (68, 421432), (88, 325652), (136, 210716), (176, 162826), (187, 153248), (272, 105358), (352, 81413), (374, 76624), (544, 52679), (748, 38312), (1496, 19156), (2992, 9578), (4789, 5984)]