991955328

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28387}}^1$

素因数の和:28424

約数の個数: 128

約数和(自身を含む): 3243045120

約数和(自身を除く): 2251089792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 273, 312, 336, 364, 384, 416, 448, 546, 624, 672, 728, 832, 896, 1092, 1248, 1344, 1456, 1664, 2184, 2496, 2688, 2912, 4368, 4992, 5824, 8736, 11648, 17472, 28387, 34944, 56774, 85161, 113548, 170322, 198709, 227096, 340644, 369031, 397418, 454192, 596127, 681288, 738062, 794836, 908384, 1107093, 1192254, 1362576, 1476124, 1589672, 1816768, 2214186, 2384508, 2583217, 2725152, 2952248, 3179344, 3633536, 4428372, 4769016, 5166434, 5450304, 5904496, 6358688, 7749651, 8856744, 9538032, 10332868, 10900608, 11808992, 12717376, 15499302, 17713488, 19076064, 20665736, 23617984, 25434752, 30998604, 35426976, 38152128, 41331472, 47235968, 61997208, 70853952, 76304256, 82662944, 123994416, 141707904, 165325888, 247988832, 330651776, 495977664, 991955328]

約数ペア:

[(1, 991955328), (2, 495977664), (3, 330651776), (4, 247988832), (6, 165325888), (7, 141707904), (8, 123994416), (12, 82662944), (13, 76304256), (14, 70853952), (16, 61997208), (21, 47235968), (24, 41331472), (26, 38152128), (28, 35426976), (32, 30998604), (39, 25434752), (42, 23617984), (48, 20665736), (52, 19076064), (56, 17713488), (64, 15499302), (78, 12717376), (84, 11808992), (91, 10900608), (96, 10332868), (104, 9538032), (112, 8856744), (128, 7749651), (156, 6358688), (168, 5904496), (182, 5450304), (192, 5166434), (208, 4769016), (224, 4428372), (273, 3633536), (312, 3179344), (336, 2952248), (364, 2725152), (384, 2583217), (416, 2384508), (448, 2214186), (546, 1816768), (624, 1589672), (672, 1476124), (728, 1362576), (832, 1192254), (896, 1107093), (1092, 908384), (1248, 794836), (1344, 738062), (1456, 681288), (1664, 596127), (2184, 454192), (2496, 397418), (2688, 369031), (2912, 340644), (4368, 227096), (4992, 198709), (5824, 170322), (8736, 113548), (11648, 85161), (17472, 56774), (28387, 34944)]