321058855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 467026560

約数和(自身を除く): 145967705

約数列:

[1, 5, 13, 17, 29, 43, 65, 85, 145, 215, 221, 233, 377, 493, 559, 731, 1105, 1165, 1247, 1885, 2465, 2795, 3029, 3655, 3961, 6235, 6409, 6757, 9503, 10019, 15145, 16211, 19805, 21199, 32045, 33785, 47515, 50095, 51493, 81055, 87841, 105995, 114869, 130247, 170323, 257465, 275587, 290551, 439205, 574345, 651235, 851615, 1377935, 1452755, 1493297, 2214199, 3777163, 4939367, 7466485, 11070995, 18885815, 24696835, 64211771, 321058855]

約数ペア:

[(1, 321058855), (5, 64211771), (13, 24696835), (17, 18885815), (29, 11070995), (43, 7466485), (65, 4939367), (85, 3777163), (145, 2214199), (215, 1493297), (221, 1452755), (233, 1377935), (377, 851615), (493, 651235), (559, 574345), (731, 439205), (1105, 290551), (1165, 275587), (1247, 257465), (1885, 170323), (2465, 130247), (2795, 114869), (3029, 105995), (3655, 87841), (3961, 81055), (6235, 51493), (6409, 50095), (6757, 47515), (9503, 33785), (10019, 32045), (15145, 21199), (16211, 19805)]