1861595648

素因数分解:

$2^9\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 120

約数和(自身を含む): 4136193600

約数和(自身を除く): 2274597952

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 151, 176, 199, 242, 256, 302, 352, 398, 484, 512, 604, 704, 796, 968, 1208, 1408, 1592, 1661, 1936, 2189, 2416, 2816, 3184, 3322, 3872, 4378, 4832, 5632, 6368, 6644, 7744, 8756, 9664, 12736, 13288, 15488, 17512, 18271, 19328, 24079, 25472, 26576, 30049, 30976, 35024, 36542, 38656, 48158, 50944, 53152, 60098, 61952, 70048, 73084, 77312, 96316, 101888, 106304, 120196, 140096, 146168, 192632, 212608, 240392, 280192, 292336, 330539, 385264, 425216, 480784, 560384, 584672, 661078, 770528, 850432, 961568, 1120768, 1169344, 1322156, 1541056, 1923136, 2338688, 2644312, 3082112, 3635929, 3846272, 4677376, 5288624, 6164224, 7271858, 7692544, 9354752, 10577248, 12328448, 14543716, 15385088, 21154496, 29087432, 42308992, 58174864, 84617984, 116349728, 169235968, 232699456, 465398912, 930797824, 1861595648]

約数ペア:

[(1, 1861595648), (2, 930797824), (4, 465398912), (8, 232699456), (11, 169235968), (16, 116349728), (22, 84617984), (32, 58174864), (44, 42308992), (64, 29087432), (88, 21154496), (121, 15385088), (128, 14543716), (151, 12328448), (176, 10577248), (199, 9354752), (242, 7692544), (256, 7271858), (302, 6164224), (352, 5288624), (398, 4677376), (484, 3846272), (512, 3635929), (604, 3082112), (704, 2644312), (796, 2338688), (968, 1923136), (1208, 1541056), (1408, 1322156), (1592, 1169344), (1661, 1120768), (1936, 961568), (2189, 850432), (2416, 770528), (2816, 661078), (3184, 584672), (3322, 560384), (3872, 480784), (4378, 425216), (4832, 385264), (5632, 330539), (6368, 292336), (6644, 280192), (7744, 240392), (8756, 212608), (9664, 192632), (12736, 146168), (13288, 140096), (15488, 120196), (17512, 106304), (18271, 101888), (19328, 96316), (24079, 77312), (25472, 73084), (26576, 70048), (30049, 61952), (30976, 60098), (35024, 53152), (36542, 50944), (38656, 48158)]