128049355

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 198132480

約数和(自身を除く): 70083125

約数列:

[1, 5, 7, 17, 29, 35, 41, 85, 119, 145, 181, 203, 205, 287, 493, 595, 697, 905, 1015, 1189, 1267, 1435, 2465, 3077, 3451, 3485, 4879, 5249, 5945, 6335, 7421, 8323, 15385, 17255, 20213, 21539, 24395, 26245, 36743, 37105, 41615, 51947, 89233, 101065, 107695, 126157, 141491, 183715, 215209, 259735, 446165, 624631, 630785, 707455, 883099, 1076045, 1506463, 3123155, 3658553, 4415495, 7532315, 18292765, 25609871, 128049355]

約数ペア:

[(1, 128049355), (5, 25609871), (7, 18292765), (17, 7532315), (29, 4415495), (35, 3658553), (41, 3123155), (85, 1506463), (119, 1076045), (145, 883099), (181, 707455), (203, 630785), (205, 624631), (287, 446165), (493, 259735), (595, 215209), (697, 183715), (905, 141491), (1015, 126157), (1189, 107695), (1267, 101065), (1435, 89233), (2465, 51947), (3077, 41615), (3451, 37105), (3485, 36743), (4879, 26245), (5249, 24395), (5945, 21539), (6335, 20213), (7421, 17255), (8323, 15385)]