128889376

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 337925952

約数和(自身を除く): 209036576

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 181, 187, 224, 238, 272, 289, 308, 352, 362, 374, 476, 544, 578, 616, 724, 748, 952, 1156, 1232, 1267, 1309, 1448, 1496, 1904, 1991, 2023, 2312, 2464, 2534, 2618, 2896, 2992, 3077, 3179, 3808, 3982, 4046, 4624, 5068, 5236, 5792, 5984, 6154, 6358, 7964, 8092, 9248, 10136, 10472, 12308, 12716, 13937, 15928, 16184, 20272, 20944, 21539, 22253, 24616, 25432, 27874, 31856, 32368, 33847, 40544, 41888, 43078, 44506, 49232, 50864, 52309, 55748, 63712, 64736, 67694, 86156, 89012, 98464, 101728, 104618, 111496, 135388, 172312, 178024, 209236, 222992, 236929, 270776, 344624, 356048, 366163, 418472, 445984, 473858, 541552, 575399, 689248, 712096, 732326, 836944, 947716, 1083104, 1150798, 1464652, 1673888, 1895432, 2301596, 2929304, 3790864, 4027793, 4603192, 5858608, 7581728, 8055586, 9206384, 11717216, 16111172, 18412768, 32222344, 64444688, 128889376]

約数ペア:

[(1, 128889376), (2, 64444688), (4, 32222344), (7, 18412768), (8, 16111172), (11, 11717216), (14, 9206384), (16, 8055586), (17, 7581728), (22, 5858608), (28, 4603192), (32, 4027793), (34, 3790864), (44, 2929304), (56, 2301596), (68, 1895432), (77, 1673888), (88, 1464652), (112, 1150798), (119, 1083104), (136, 947716), (154, 836944), (176, 732326), (181, 712096), (187, 689248), (224, 575399), (238, 541552), (272, 473858), (289, 445984), (308, 418472), (352, 366163), (362, 356048), (374, 344624), (476, 270776), (544, 236929), (578, 222992), (616, 209236), (724, 178024), (748, 172312), (952, 135388), (1156, 111496), (1232, 104618), (1267, 101728), (1309, 98464), (1448, 89012), (1496, 86156), (1904, 67694), (1991, 64736), (2023, 63712), (2312, 55748), (2464, 52309), (2534, 50864), (2618, 49232), (2896, 44506), (2992, 43078), (3077, 41888), (3179, 40544), (3808, 33847), (3982, 32368), (4046, 31856), (4624, 27874), (5068, 25432), (5236, 24616), (5792, 22253), (5984, 21539), (6154, 20944), (6358, 20272), (7964, 16184), (8092, 15928), (9248, 13937), (10136, 12716), (10472, 12308)]