1991551232

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 4586343552

約数和(自身を除く): 2594792320

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 97, 128, 176, 184, 194, 253, 256, 317, 352, 368, 388, 506, 634, 704, 736, 776, 1012, 1067, 1268, 1408, 1472, 1552, 2024, 2134, 2231, 2536, 2816, 2944, 3104, 3487, 4048, 4268, 4462, 5072, 5888, 6208, 6974, 7291, 8096, 8536, 8924, 10144, 12416, 13948, 14582, 16192, 17072, 17848, 20288, 24541, 24832, 27896, 29164, 30749, 32384, 34144, 35696, 40576, 49082, 55792, 58328, 61498, 64768, 68288, 71392, 80201, 81152, 98164, 111584, 116656, 122996, 136576, 142784, 160402, 196328, 223168, 233312, 245992, 273152, 285568, 320804, 338239, 392656, 446336, 466624, 491984, 571136, 641608, 676478, 707227, 785312, 892672, 933248, 983968, 1283216, 1352956, 1414454, 1570624, 1866496, 1967936, 2566432, 2705912, 2828908, 3141248, 3935872, 5132864, 5411824, 5657816, 6282496, 7779497, 7871744, 10265728, 10823648, 11315632, 15558994, 20531456, 21647296, 22631264, 31117988, 43294592, 45262528, 62235976, 86589184, 90525056, 124471952, 181050112, 248943904, 497887808, 995775616, 1991551232]

約数ペア:

[(1, 1991551232), (2, 995775616), (4, 497887808), (8, 248943904), (11, 181050112), (16, 124471952), (22, 90525056), (23, 86589184), (32, 62235976), (44, 45262528), (46, 43294592), (64, 31117988), (88, 22631264), (92, 21647296), (97, 20531456), (128, 15558994), (176, 11315632), (184, 10823648), (194, 10265728), (253, 7871744), (256, 7779497), (317, 6282496), (352, 5657816), (368, 5411824), (388, 5132864), (506, 3935872), (634, 3141248), (704, 2828908), (736, 2705912), (776, 2566432), (1012, 1967936), (1067, 1866496), (1268, 1570624), (1408, 1414454), (1472, 1352956), (1552, 1283216), (2024, 983968), (2134, 933248), (2231, 892672), (2536, 785312), (2816, 707227), (2944, 676478), (3104, 641608), (3487, 571136), (4048, 491984), (4268, 466624), (4462, 446336), (5072, 392656), (5888, 338239), (6208, 320804), (6974, 285568), (7291, 273152), (8096, 245992), (8536, 233312), (8924, 223168), (10144, 196328), (12416, 160402), (13948, 142784), (14582, 136576), (16192, 122996), (17072, 116656), (17848, 111584), (20288, 98164), (24541, 81152), (24832, 80201), (27896, 71392), (29164, 68288), (30749, 64768), (32384, 61498), (34144, 58328), (35696, 55792), (40576, 49082)]