1216985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 1900800

約数和(自身を除く): 683815

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 109, 145, 203, 319, 385, 545, 763, 1015, 1199, 1595, 2233, 3161, 3815, 5995, 8393, 11165, 15805, 22127, 34771, 41965, 110635, 173855, 243397, 1216985]

約数ペア:

[(1, 1216985), (5, 243397), (7, 173855), (11, 110635), (29, 41965), (35, 34771), (55, 22127), (77, 15805), (109, 11165), (145, 8393), (203, 5995), (319, 3815), (385, 3161), (545, 2233), (763, 1595), (1015, 1199)]