206816995

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 332928000

約数和(自身を除く): 126111005

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 343, 385, 539, 577, 665, 931, 1045, 1463, 1715, 2695, 2885, 3773, 4039, 4655, 6347, 6517, 7315, 10241, 10963, 18865, 20195, 28273, 31735, 32585, 44429, 51205, 54815, 71687, 76741, 120593, 141365, 197911, 222145, 311003, 358435, 383705, 537187, 602965, 844151, 989555, 1555015, 2177021, 2685935, 3760309, 4220755, 5909057, 10885105, 18801545, 29545285, 41363399, 206816995]

約数ペア:

[(1, 206816995), (5, 41363399), (7, 29545285), (11, 18801545), (19, 10885105), (35, 5909057), (49, 4220755), (55, 3760309), (77, 2685935), (95, 2177021), (133, 1555015), (209, 989555), (245, 844151), (343, 602965), (385, 537187), (539, 383705), (577, 358435), (665, 311003), (931, 222145), (1045, 197911), (1463, 141365), (1715, 120593), (2695, 76741), (2885, 71687), (3773, 54815), (4039, 51205), (4655, 44429), (6347, 32585), (6517, 31735), (7315, 28273), (10241, 20195), (10963, 18865)]