164416785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 301056000

約数和(自身を除く): 136639215

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 199, 223, 247, 285, 597, 669, 741, 995, 1115, 1235, 2587, 2899, 2985, 3345, 3705, 3781, 4237, 7761, 8697, 11343, 12711, 12935, 14495, 18905, 21185, 38805, 43485, 44377, 49153, 55081, 56715, 63555, 133131, 147459, 165243, 221885, 245765, 275405, 576901, 665655, 737295, 826215, 843163, 1730703, 2529489, 2884505, 4215815, 8653515, 10961119, 12647445, 32883357, 54805595, 164416785]

約数ペア:

[(1, 164416785), (3, 54805595), (5, 32883357), (13, 12647445), (15, 10961119), (19, 8653515), (39, 4215815), (57, 2884505), (65, 2529489), (95, 1730703), (195, 843163), (199, 826215), (223, 737295), (247, 665655), (285, 576901), (597, 275405), (669, 245765), (741, 221885), (995, 165243), (1115, 147459), (1235, 133131), (2587, 63555), (2899, 56715), (2985, 55081), (3345, 49153), (3705, 44377), (3781, 43485), (4237, 38805), (7761, 21185), (8697, 18905), (11343, 14495), (12711, 12935)]