81694208

素因数分解:

$2^9\times {\mathrm{379}}^1\times {\mathrm{421}}^1$

素因数の和:818

約数の個数: 40

約数和(自身を含む): 164048280

約数和(自身を除く): 82354072

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 379, 421, 512, 758, 842, 1516, 1684, 3032, 3368, 6064, 6736, 12128, 13472, 24256, 26944, 48512, 53888, 97024, 107776, 159559, 194048, 215552, 319118, 638236, 1276472, 2552944, 5105888, 10211776, 20423552, 40847104, 81694208]

約数ペア:

[(1, 81694208), (2, 40847104), (4, 20423552), (8, 10211776), (16, 5105888), (32, 2552944), (64, 1276472), (128, 638236), (256, 319118), (379, 215552), (421, 194048), (512, 159559), (758, 107776), (842, 97024), (1516, 53888), (1684, 48512), (3032, 26944), (3368, 24256), (6064, 13472), (6736, 12128)]