205121726290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{491}}^1\times {\mathrm{10333}}^1$

素因数の和:11155

約数の個数: 64

約数和(自身を含む): 399750204672

約数和(自身を除く): 194628478382

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 491, 622, 982, 1555, 2455, 3110, 4043, 4910, 6383, 8086, 10333, 12766, 20215, 20666, 31915, 40430, 51665, 63830, 103330, 134329, 152701, 268658, 305402, 671645, 763505, 1343290, 1527010, 1985113, 3213563, 3970226, 5073503, 6427126, 9925565, 10147006, 16067815, 19851130, 25367515, 32135630, 41776319, 50735030, 65955539, 83552638, 131911078, 208881595, 329777695, 417763190, 659555390, 1577859433, 3155718866, 7889297165, 15778594330, 20512172629, 41024345258, 102560863145, 205121726290]

約数ペア:

[(1, 205121726290), (2, 102560863145), (5, 41024345258), (10, 20512172629), (13, 15778594330), (26, 7889297165), (65, 3155718866), (130, 1577859433), (311, 659555390), (491, 417763190), (622, 329777695), (982, 208881595), (1555, 131911078), (2455, 83552638), (3110, 65955539), (4043, 50735030), (4910, 41776319), (6383, 32135630), (8086, 25367515), (10333, 19851130), (12766, 16067815), (20215, 10147006), (20666, 9925565), (31915, 6427126), (40430, 5073503), (51665, 3970226), (63830, 3213563), (103330, 1985113), (134329, 1527010), (152701, 1343290), (268658, 763505), (305402, 671645)]