28320512

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 62914320

約数和(自身を除く): 34593808

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 113, 128, 176, 178, 226, 256, 352, 356, 452, 704, 712, 904, 979, 1243, 1408, 1424, 1808, 1958, 2486, 2816, 2848, 3616, 3916, 4972, 5696, 7232, 7832, 9944, 10057, 11392, 14464, 15664, 19888, 20114, 22784, 28928, 31328, 39776, 40228, 62656, 79552, 80456, 110627, 125312, 159104, 160912, 221254, 250624, 318208, 321824, 442508, 643648, 885016, 1287296, 1770032, 2574592, 3540064, 7080128, 14160256, 28320512]

約数ペア:

[(1, 28320512), (2, 14160256), (4, 7080128), (8, 3540064), (11, 2574592), (16, 1770032), (22, 1287296), (32, 885016), (44, 643648), (64, 442508), (88, 321824), (89, 318208), (113, 250624), (128, 221254), (176, 160912), (178, 159104), (226, 125312), (256, 110627), (352, 80456), (356, 79552), (452, 62656), (704, 40228), (712, 39776), (904, 31328), (979, 28928), (1243, 22784), (1408, 20114), (1424, 19888), (1808, 15664), (1958, 14464), (2486, 11392), (2816, 10057), (2848, 9944), (3616, 7832), (3916, 7232), (4972, 5696)]