216051385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{859}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 300931200

約数和(自身を除く): 84879815

約数列:

[1, 5, 11, 17, 55, 85, 187, 269, 859, 935, 1345, 2959, 4295, 4573, 9449, 14603, 14795, 22865, 47245, 50303, 73015, 160633, 231071, 251515, 803165, 1155355, 2541781, 3928207, 12708905, 19641035, 43210277, 216051385]

約数ペア:

[(1, 216051385), (5, 43210277), (11, 19641035), (17, 12708905), (55, 3928207), (85, 2541781), (187, 1155355), (269, 803165), (859, 251515), (935, 231071), (1345, 160633), (2959, 73015), (4295, 50303), (4573, 47245), (9449, 22865), (14603, 14795)]