289905245

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{135787}}^1$

素因数の和:135860

約数の個数: 16

約数和(自身を含む): 404105088

約数和(自身を除く): 114199843

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 135787, 678935, 950509, 4752545, 8283007, 41415035, 57981049, 289905245]

約数ペア:

[(1, 289905245), (5, 57981049), (7, 41415035), (35, 8283007), (61, 4752545), (305, 950509), (427, 678935), (2135, 135787)]