16396861

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 19998720

約数和(自身を除く): 3601859

約数列:

[1, 13, 23, 29, 31, 61, 299, 377, 403, 667, 713, 793, 899, 1403, 1769, 1891, 8671, 9269, 11687, 18239, 20677, 22997, 24583, 40687, 43493, 54839, 268801, 528931, 565409, 712907, 1261297, 16396861]

約数ペア:

[(1, 16396861), (13, 1261297), (23, 712907), (29, 565409), (31, 528931), (61, 268801), (299, 54839), (377, 43493), (403, 40687), (667, 24583), (713, 22997), (793, 20677), (899, 18239), (1403, 11687), (1769, 9269), (1891, 8671)]