219022859

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 257541120

約数和(自身を除く): 38518261

約数列:

[1, 11, 23, 71, 89, 137, 253, 781, 979, 1507, 1633, 2047, 3151, 6319, 9727, 12193, 17963, 22517, 34661, 69509, 106997, 134123, 145337, 223721, 280439, 865703, 1598707, 2460931, 3084829, 9522733, 19911169, 219022859]

約数ペア:

[(1, 219022859), (11, 19911169), (23, 9522733), (71, 3084829), (89, 2460931), (137, 1598707), (253, 865703), (781, 280439), (979, 223721), (1507, 145337), (1633, 134123), (2047, 106997), (3151, 69509), (6319, 34661), (9727, 22517), (12193, 17963)]