1278960865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{3169}}^1$

素因数の和:4081

約数の個数: 32

約数和(自身を含む): 1891653120

約数和(自身を除く): 612692255

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 887, 3169, 4435, 6209, 11531, 15845, 22183, 31045, 41197, 57655, 80717, 110915, 205985, 288379, 403585, 1441895, 2810903, 14054515, 19676321, 36541739, 98381605, 182708695, 255792173, 1278960865]

約数ペア:

[(1, 1278960865), (5, 255792173), (7, 182708695), (13, 98381605), (35, 36541739), (65, 19676321), (91, 14054515), (455, 2810903), (887, 1441895), (3169, 403585), (4435, 288379), (6209, 205985), (11531, 110915), (15845, 80717), (22183, 57655), (31045, 41197)]