289559809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 398131200

約数和(自身を除く): 108571391

約数列:

[1, 7, 11, 29, 31, 47, 77, 89, 203, 217, 319, 329, 341, 517, 623, 899, 979, 1363, 1457, 2233, 2387, 2581, 2759, 3619, 4183, 6293, 6853, 9541, 9889, 10199, 14993, 16027, 18067, 19313, 28391, 29281, 30349, 42253, 46013, 69223, 80011, 104951, 112189, 121307, 129673, 198737, 212443, 295771, 322091, 464783, 560077, 849149, 880121, 907711, 1334377, 1426403, 3253481, 3760517, 6160847, 9340639, 9984821, 26323619, 41365687, 289559809]

約数ペア:

[(1, 289559809), (7, 41365687), (11, 26323619), (29, 9984821), (31, 9340639), (47, 6160847), (77, 3760517), (89, 3253481), (203, 1426403), (217, 1334377), (319, 907711), (329, 880121), (341, 849149), (517, 560077), (623, 464783), (899, 322091), (979, 295771), (1363, 212443), (1457, 198737), (2233, 129673), (2387, 121307), (2581, 112189), (2759, 104951), (3619, 80011), (4183, 69223), (6293, 46013), (6853, 42253), (9541, 30349), (9889, 29281), (10199, 28391), (14993, 19313), (16027, 18067)]