30778319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 7541809

約数列:

[1, 11, 13, 31, 53, 131, 143, 341, 403, 583, 689, 1441, 1643, 1703, 4061, 4433, 6943, 7579, 18073, 18733, 21359, 44671, 52793, 76373, 90259, 215233, 234949, 580723, 992849, 2367563, 2798029, 30778319]

約数ペア:

[(1, 30778319), (11, 2798029), (13, 2367563), (31, 992849), (53, 580723), (131, 234949), (143, 215233), (341, 90259), (403, 76373), (583, 52793), (689, 44671), (1441, 21359), (1643, 18733), (1703, 18073), (4061, 7579), (4433, 6943)]