16776487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 22507520

約数和(自身を除く): 5731033

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 313, 403, 589, 1729, 2191, 2821, 4069, 4123, 5947, 7657, 9703, 28483, 41629, 53599, 67921, 77311, 126139, 184357, 541177, 882973, 1290499, 2396641, 16776487]

約数ペア:

[(1, 16776487), (7, 2396641), (13, 1290499), (19, 882973), (31, 541177), (91, 184357), (133, 126139), (217, 77311), (247, 67921), (313, 53599), (403, 41629), (589, 28483), (1729, 9703), (2191, 7657), (2821, 5947), (4069, 4123)]