291239136

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:385

約数の個数: 144

約数和(自身を含む): 860959008

約数和(自身を除く): 569719872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 151, 181, 222, 288, 296, 302, 333, 362, 444, 453, 543, 592, 604, 666, 724, 888, 906, 1086, 1184, 1208, 1332, 1359, 1448, 1629, 1776, 1812, 2172, 2416, 2664, 2718, 2896, 3258, 3552, 3624, 4344, 4832, 5328, 5436, 5587, 5792, 6516, 6697, 7248, 8688, 10656, 10872, 11174, 13032, 13394, 14496, 16761, 17376, 20091, 21744, 22348, 26064, 26788, 27331, 33522, 40182, 43488, 44696, 50283, 52128, 53576, 54662, 60273, 67044, 80364, 81993, 89392, 100566, 107152, 109324, 120546, 134088, 160728, 163986, 178784, 201132, 214304, 218648, 241092, 245979, 268176, 321456, 327972, 402264, 437296, 482184, 491958, 536352, 642912, 655944, 804528, 874592, 964368, 983916, 1011247, 1311888, 1609056, 1928736, 1967832, 2022494, 2623776, 3033741, 3935664, 4044988, 6067482, 7871328, 8089976, 9101223, 12134964, 16179952, 18202446, 24269928, 32359904, 36404892, 48539856, 72809784, 97079712, 145619568, 291239136]

約数ペア:

[(1, 291239136), (2, 145619568), (3, 97079712), (4, 72809784), (6, 48539856), (8, 36404892), (9, 32359904), (12, 24269928), (16, 18202446), (18, 16179952), (24, 12134964), (32, 9101223), (36, 8089976), (37, 7871328), (48, 6067482), (72, 4044988), (74, 3935664), (96, 3033741), (111, 2623776), (144, 2022494), (148, 1967832), (151, 1928736), (181, 1609056), (222, 1311888), (288, 1011247), (296, 983916), (302, 964368), (333, 874592), (362, 804528), (444, 655944), (453, 642912), (543, 536352), (592, 491958), (604, 482184), (666, 437296), (724, 402264), (888, 327972), (906, 321456), (1086, 268176), (1184, 245979), (1208, 241092), (1332, 218648), (1359, 214304), (1448, 201132), (1629, 178784), (1776, 163986), (1812, 160728), (2172, 134088), (2416, 120546), (2664, 109324), (2718, 107152), (2896, 100566), (3258, 89392), (3552, 81993), (3624, 80364), (4344, 67044), (4832, 60273), (5328, 54662), (5436, 53576), (5587, 52128), (5792, 50283), (6516, 44696), (6697, 43488), (7248, 40182), (8688, 33522), (10656, 27331), (10872, 26788), (11174, 26064), (13032, 22348), (13394, 21744), (14496, 20091), (16761, 17376)]