291400992

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:431

約数の個数: 144

約数和(自身を含む): 865492992

約数和(自身を除く): 574092000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 127, 144, 186, 248, 254, 257, 279, 288, 372, 381, 496, 508, 514, 558, 744, 762, 771, 992, 1016, 1028, 1116, 1143, 1488, 1524, 1542, 2032, 2056, 2232, 2286, 2313, 2976, 3048, 3084, 3937, 4064, 4112, 4464, 4572, 4626, 6096, 6168, 7874, 7967, 8224, 8928, 9144, 9252, 11811, 12192, 12336, 15748, 15934, 18288, 18504, 23622, 23901, 24672, 31496, 31868, 32639, 35433, 36576, 37008, 47244, 47802, 62992, 63736, 65278, 70866, 71703, 74016, 94488, 95604, 97917, 125984, 127472, 130556, 141732, 143406, 188976, 191208, 195834, 254944, 261112, 283464, 286812, 293751, 377952, 382416, 391668, 522224, 566928, 573624, 587502, 764832, 783336, 1011809, 1044448, 1133856, 1147248, 1175004, 1566672, 2023618, 2294496, 2350008, 3035427, 3133344, 4047236, 4700016, 6070854, 8094472, 9106281, 9400032, 12141708, 16188944, 18212562, 24283416, 32377888, 36425124, 48566832, 72850248, 97133664, 145700496, 291400992]

約数ペア:

[(1, 291400992), (2, 145700496), (3, 97133664), (4, 72850248), (6, 48566832), (8, 36425124), (9, 32377888), (12, 24283416), (16, 18212562), (18, 16188944), (24, 12141708), (31, 9400032), (32, 9106281), (36, 8094472), (48, 6070854), (62, 4700016), (72, 4047236), (93, 3133344), (96, 3035427), (124, 2350008), (127, 2294496), (144, 2023618), (186, 1566672), (248, 1175004), (254, 1147248), (257, 1133856), (279, 1044448), (288, 1011809), (372, 783336), (381, 764832), (496, 587502), (508, 573624), (514, 566928), (558, 522224), (744, 391668), (762, 382416), (771, 377952), (992, 293751), (1016, 286812), (1028, 283464), (1116, 261112), (1143, 254944), (1488, 195834), (1524, 191208), (1542, 188976), (2032, 143406), (2056, 141732), (2232, 130556), (2286, 127472), (2313, 125984), (2976, 97917), (3048, 95604), (3084, 94488), (3937, 74016), (4064, 71703), (4112, 70866), (4464, 65278), (4572, 63736), (4626, 62992), (6096, 47802), (6168, 47244), (7874, 37008), (7967, 36576), (8224, 35433), (8928, 32639), (9144, 31868), (9252, 31496), (11811, 24672), (12192, 23901), (12336, 23622), (15748, 18504), (15934, 18288)]