221704786

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 358924608

約数和(自身を除く): 137219822

約数列:

[1, 2, 17, 34, 83, 166, 251, 313, 502, 626, 1411, 2822, 4267, 5321, 8534, 10642, 20833, 25979, 41666, 51958, 78563, 157126, 354161, 441643, 708322, 883286, 1335571, 2671142, 6520729, 13041458, 110852393, 221704786]

約数ペア:

[(1, 221704786), (2, 110852393), (17, 13041458), (34, 6520729), (83, 2671142), (166, 1335571), (251, 883286), (313, 708322), (502, 441643), (626, 354161), (1411, 157126), (2822, 78563), (4267, 51958), (5321, 41666), (8534, 25979), (10642, 20833)]