215897968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:902

約数の個数: 80

約数和(自身を含む): 495968256

約数和(自身を除く): 280070288

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 127, 143, 176, 208, 254, 286, 508, 572, 743, 1016, 1144, 1397, 1486, 1651, 2032, 2288, 2794, 2972, 3302, 5588, 5944, 6604, 8173, 9659, 11176, 11888, 13208, 16346, 18161, 19318, 22352, 26416, 32692, 36322, 38636, 65384, 72644, 77272, 94361, 106249, 130768, 145288, 154544, 188722, 212498, 290576, 377444, 424996, 754888, 849992, 1037971, 1226693, 1509776, 1699984, 2075942, 2453386, 4151884, 4906772, 8303768, 9813544, 13493623, 16607536, 19627088, 26987246, 53974492, 107948984, 215897968]

約数ペア:

[(1, 215897968), (2, 107948984), (4, 53974492), (8, 26987246), (11, 19627088), (13, 16607536), (16, 13493623), (22, 9813544), (26, 8303768), (44, 4906772), (52, 4151884), (88, 2453386), (104, 2075942), (127, 1699984), (143, 1509776), (176, 1226693), (208, 1037971), (254, 849992), (286, 754888), (508, 424996), (572, 377444), (743, 290576), (1016, 212498), (1144, 188722), (1397, 154544), (1486, 145288), (1651, 130768), (2032, 106249), (2288, 94361), (2794, 77272), (2972, 72644), (3302, 65384), (5588, 38636), (5944, 36322), (6604, 32692), (8173, 26416), (9659, 22352), (11176, 19318), (11888, 18161), (13208, 16346)]