218484695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 327680640

約数和(自身を除く): 109195945

約数列:

[1, 5, 11, 13, 29, 41, 55, 65, 143, 145, 205, 257, 319, 377, 451, 533, 715, 1189, 1285, 1595, 1885, 2255, 2665, 2827, 3341, 4147, 5863, 5945, 7453, 10537, 13079, 14135, 15457, 16705, 20735, 29315, 36751, 37265, 52685, 65395, 77285, 81983, 96889, 115907, 136981, 170027, 183755, 305573, 409915, 484445, 579535, 684905, 850135, 1065779, 1506791, 1527865, 3361303, 3972449, 5328895, 7533955, 16806515, 19862245, 43696939, 218484695]

約数ペア:

[(1, 218484695), (5, 43696939), (11, 19862245), (13, 16806515), (29, 7533955), (41, 5328895), (55, 3972449), (65, 3361303), (143, 1527865), (145, 1506791), (205, 1065779), (257, 850135), (319, 684905), (377, 579535), (451, 484445), (533, 409915), (715, 305573), (1189, 183755), (1285, 170027), (1595, 136981), (1885, 115907), (2255, 96889), (2665, 81983), (2827, 77285), (3341, 65395), (4147, 52685), (5863, 37265), (5945, 36751), (7453, 29315), (10537, 20735), (13079, 16705), (14135, 15457)]