286285285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{929}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 404974080

約数和(自身を除く): 118688795

約数列:

[1, 5, 11, 13, 55, 65, 143, 431, 715, 929, 2155, 4645, 4741, 5603, 10219, 12077, 23705, 28015, 51095, 60385, 61633, 132847, 308165, 400399, 664235, 2001995, 4404389, 5205187, 22021945, 26025935, 57257057, 286285285]

約数ペア:

[(1, 286285285), (5, 57257057), (11, 26025935), (13, 22021945), (55, 5205187), (65, 4404389), (143, 2001995), (431, 664235), (715, 400399), (929, 308165), (2155, 132847), (4645, 61633), (4741, 60385), (5603, 51095), (10219, 28015), (12077, 23705)]