128784730

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{57751}}^1$

素因数の和:57981

約数の個数: 16

約数和(自身を含む): 232856064

約数和(自身を除く): 104071334

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 57751, 115502, 288755, 577510, 12878473, 25756946, 64392365, 128784730]

約数ペア:

[(1, 128784730), (2, 64392365), (5, 25756946), (10, 12878473), (223, 577510), (446, 288755), (1115, 115502), (2230, 57751)]