81971712

素因数分解:

$2^9\times 3^2\times {\mathrm{17789}}^1$

素因数の和:17813

約数の個数: 60

約数和(自身を含む): 236589210

約数和(自身を除く): 154617498

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4608, 17789, 35578, 53367, 71156, 106734, 142312, 160101, 213468, 284624, 320202, 426936, 569248, 640404, 853872, 1138496, 1280808, 1707744, 2276992, 2561616, 3415488, 4553984, 5123232, 6830976, 9107968, 10246464, 13661952, 20492928, 27323904, 40985856, 81971712]

約数ペア:

[(1, 81971712), (2, 40985856), (3, 27323904), (4, 20492928), (6, 13661952), (8, 10246464), (9, 9107968), (12, 6830976), (16, 5123232), (18, 4553984), (24, 3415488), (32, 2561616), (36, 2276992), (48, 1707744), (64, 1280808), (72, 1138496), (96, 853872), (128, 640404), (144, 569248), (192, 426936), (256, 320202), (288, 284624), (384, 213468), (512, 160101), (576, 142312), (768, 106734), (1152, 71156), (1536, 53367), (2304, 35578), (4608, 17789)]