28178656

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1$

素因数の和:332

約数の個数: 72

約数和(自身を含む): 64521576

約数和(自身を除く): 36342920

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 277, 289, 352, 374, 544, 554, 578, 748, 1108, 1156, 1496, 2216, 2312, 2992, 3047, 3179, 4432, 4624, 4709, 5984, 6094, 6358, 8864, 9248, 9418, 12188, 12716, 18836, 24376, 25432, 37672, 48752, 50864, 51799, 75344, 80053, 97504, 101728, 103598, 150688, 160106, 207196, 320212, 414392, 640424, 828784, 880583, 1280848, 1657568, 1761166, 2561696, 3522332, 7044664, 14089328, 28178656]

約数ペア:

[(1, 28178656), (2, 14089328), (4, 7044664), (8, 3522332), (11, 2561696), (16, 1761166), (17, 1657568), (22, 1280848), (32, 880583), (34, 828784), (44, 640424), (68, 414392), (88, 320212), (136, 207196), (176, 160106), (187, 150688), (272, 103598), (277, 101728), (289, 97504), (352, 80053), (374, 75344), (544, 51799), (554, 50864), (578, 48752), (748, 37672), (1108, 25432), (1156, 24376), (1496, 18836), (2216, 12716), (2312, 12188), (2992, 9418), (3047, 9248), (3179, 8864), (4432, 6358), (4624, 6094), (4709, 5984)]