28440055

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42767}}^1$

素因数の和:42798

約数の個数: 16

約数和(自身を含む): 41057280

約数和(自身を除く): 12617225

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 42767, 213835, 299369, 812573, 1496845, 4062865, 5688011, 28440055]

約数ペア:

[(1, 28440055), (5, 5688011), (7, 4062865), (19, 1496845), (35, 812573), (95, 299369), (133, 213835), (665, 42767)]