278324189

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 336752640

約数和(自身を除く): 58428451

約数列:

[1, 11, 13, 71, 79, 143, 347, 781, 869, 923, 1027, 3817, 4511, 5609, 10153, 11297, 24637, 27413, 49621, 61699, 72917, 271007, 301543, 320281, 356369, 802087, 1946323, 3523091, 3920059, 21409553, 25302199, 278324189]

約数ペア:

[(1, 278324189), (11, 25302199), (13, 21409553), (71, 3920059), (79, 3523091), (143, 1946323), (347, 802087), (781, 356369), (869, 320281), (923, 301543), (1027, 271007), (3817, 72917), (4511, 61699), (5609, 49621), (10153, 27413), (11297, 24637)]