16220875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 22643712

約数和(自身を除く): 6422837

約数列:

[1, 5, 11, 25, 47, 55, 125, 235, 251, 275, 517, 1175, 1255, 1375, 2585, 2761, 5875, 6275, 11797, 12925, 13805, 31375, 58985, 64625, 69025, 129767, 294925, 345125, 648835, 1474625, 3244175, 16220875]

約数ペア:

[(1, 16220875), (5, 3244175), (11, 1474625), (25, 648835), (47, 345125), (55, 294925), (125, 129767), (235, 69025), (251, 64625), (275, 58985), (517, 31375), (1175, 13805), (1255, 12925), (1375, 11797), (2585, 6275), (2761, 5875)]