399569664

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1354

約数の個数: 144

約数和(自身を含む): 1183099904

約数和(自身を除く): 783530240

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 256, 312, 372, 384, 403, 416, 496, 624, 744, 768, 806, 832, 992, 1209, 1248, 1291, 1488, 1612, 1664, 1984, 2418, 2496, 2582, 2976, 3224, 3328, 3873, 3968, 4836, 4992, 5164, 5952, 6448, 7746, 7936, 9672, 9984, 10328, 11904, 12896, 15492, 16783, 19344, 20656, 23808, 25792, 30984, 33566, 38688, 40021, 41312, 50349, 51584, 61968, 67132, 77376, 80042, 82624, 100698, 103168, 120063, 123936, 134264, 154752, 160084, 165248, 201396, 240126, 247872, 268528, 309504, 320168, 330496, 402792, 480252, 495744, 520273, 537056, 640336, 805584, 960504, 991488, 1040546, 1074112, 1280672, 1560819, 1611168, 1921008, 2081092, 2148224, 2561344, 3121638, 3222336, 3842016, 4162184, 4296448, 5122688, 6243276, 6444672, 7684032, 8324368, 10245376, 12486552, 12889344, 15368064, 16648736, 24973104, 30736128, 33297472, 49946208, 66594944, 99892416, 133189888, 199784832, 399569664]

約数ペア:

[(1, 399569664), (2, 199784832), (3, 133189888), (4, 99892416), (6, 66594944), (8, 49946208), (12, 33297472), (13, 30736128), (16, 24973104), (24, 16648736), (26, 15368064), (31, 12889344), (32, 12486552), (39, 10245376), (48, 8324368), (52, 7684032), (62, 6444672), (64, 6243276), (78, 5122688), (93, 4296448), (96, 4162184), (104, 3842016), (124, 3222336), (128, 3121638), (156, 2561344), (186, 2148224), (192, 2081092), (208, 1921008), (248, 1611168), (256, 1560819), (312, 1280672), (372, 1074112), (384, 1040546), (403, 991488), (416, 960504), (496, 805584), (624, 640336), (744, 537056), (768, 520273), (806, 495744), (832, 480252), (992, 402792), (1209, 330496), (1248, 320168), (1291, 309504), (1488, 268528), (1612, 247872), (1664, 240126), (1984, 201396), (2418, 165248), (2496, 160084), (2582, 154752), (2976, 134264), (3224, 123936), (3328, 120063), (3873, 103168), (3968, 100698), (4836, 82624), (4992, 80042), (5164, 77376), (5952, 67132), (6448, 61968), (7746, 51584), (7936, 50349), (9672, 41312), (9984, 40021), (10328, 38688), (11904, 33566), (12896, 30984), (15492, 25792), (16783, 23808), (19344, 20656)]