247605904

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{983}}^1$

素因数の和:1184

約数の個数: 80

約数和(自身を含む): 594461952

約数和(自身を除く): 346856048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 173, 182, 208, 346, 364, 692, 728, 983, 1211, 1384, 1456, 1966, 2249, 2422, 2768, 3932, 4498, 4844, 6881, 7864, 8996, 9688, 12779, 13762, 15728, 15743, 17992, 19376, 25558, 27524, 31486, 35984, 51116, 55048, 62972, 89453, 102232, 110096, 125944, 170059, 178906, 204464, 251888, 340118, 357812, 680236, 715624, 1190413, 1360472, 1431248, 2210767, 2380826, 2720944, 4421534, 4761652, 8843068, 9523304, 15475369, 17686136, 19046608, 30950738, 35372272, 61901476, 123802952, 247605904]

約数ペア:

[(1, 247605904), (2, 123802952), (4, 61901476), (7, 35372272), (8, 30950738), (13, 19046608), (14, 17686136), (16, 15475369), (26, 9523304), (28, 8843068), (52, 4761652), (56, 4421534), (91, 2720944), (104, 2380826), (112, 2210767), (173, 1431248), (182, 1360472), (208, 1190413), (346, 715624), (364, 680236), (692, 357812), (728, 340118), (983, 251888), (1211, 204464), (1384, 178906), (1456, 170059), (1966, 125944), (2249, 110096), (2422, 102232), (2768, 89453), (3932, 62972), (4498, 55048), (4844, 51116), (6881, 35984), (7864, 31486), (8996, 27524), (9688, 25558), (12779, 19376), (13762, 17992), (15728, 15743)]