28877288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 34626712

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 97, 136, 187, 194, 199, 374, 388, 398, 748, 776, 796, 1067, 1496, 1592, 1649, 2134, 2189, 3298, 3383, 4268, 4378, 6596, 6766, 8536, 8756, 13192, 13532, 17512, 18139, 19303, 27064, 36278, 37213, 38606, 72556, 74426, 77212, 145112, 148852, 154424, 212333, 297704, 328151, 424666, 656302, 849332, 1312604, 1698664, 2625208, 3609661, 7219322, 14438644, 28877288]

約数ペア:

[(1, 28877288), (2, 14438644), (4, 7219322), (8, 3609661), (11, 2625208), (17, 1698664), (22, 1312604), (34, 849332), (44, 656302), (68, 424666), (88, 328151), (97, 297704), (136, 212333), (187, 154424), (194, 148852), (199, 145112), (374, 77212), (388, 74426), (398, 72556), (748, 38606), (776, 37213), (796, 36278), (1067, 27064), (1496, 19303), (1592, 18139), (1649, 17512), (2134, 13532), (2189, 13192), (3298, 8756), (3383, 8536), (4268, 6766), (4378, 6596)]