16511209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 20966400

約数和(自身を除く): 4455191

約数列:

[1, 11, 13, 19, 59, 103, 143, 209, 247, 649, 767, 1121, 1133, 1339, 1957, 2717, 6077, 8437, 12331, 14573, 14729, 21527, 25441, 66847, 79001, 115463, 160303, 279851, 869011, 1270093, 1501019, 16511209]

約数ペア:

[(1, 16511209), (11, 1501019), (13, 1270093), (19, 869011), (59, 279851), (103, 160303), (143, 115463), (209, 79001), (247, 66847), (649, 25441), (767, 21527), (1121, 14729), (1133, 14573), (1339, 12331), (1957, 8437), (2717, 6077)]