289456895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{10429}}^1$

素因数の和:10515

約数の個数: 32

約数和(自身を含む): 434555520

約数和(自身を除く): 145098625

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 793, 2135, 3965, 5551, 10429, 27755, 52145, 73003, 135577, 365015, 636169, 677885, 949039, 3180845, 4453183, 4745195, 8270197, 22265915, 41350985, 57891379, 289456895]

約数ペア:

[(1, 289456895), (5, 57891379), (7, 41350985), (13, 22265915), (35, 8270197), (61, 4745195), (65, 4453183), (91, 3180845), (305, 949039), (427, 677885), (455, 636169), (793, 365015), (2135, 135577), (3965, 73003), (5551, 52145), (10429, 27755)]