66204664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{25621}}^1$

素因数の和:25663

約数の個数: 32

約数和(自身を含む): 138358800

約数和(自身を除く): 72154136

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 25621, 51242, 102484, 204968, 435557, 486799, 871114, 973598, 1742228, 1947196, 3484456, 3894392, 8275583, 16551166, 33102332, 66204664]

約数ペア:

[(1, 66204664), (2, 33102332), (4, 16551166), (8, 8275583), (17, 3894392), (19, 3484456), (34, 1947196), (38, 1742228), (68, 973598), (76, 871114), (136, 486799), (152, 435557), (323, 204968), (646, 102484), (1292, 51242), (2584, 25621)]