400208081

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{22787}}^1$

素因数の和:23000

約数の個数: 16

約数和(自身を含む): 495137664

約数和(自身を除く): 94929583

約数列:

[1, 7, 13, 91, 193, 1351, 2509, 17563, 22787, 159509, 296231, 2073617, 4397891, 30785237, 57172583, 400208081]

約数ペア:

[(1, 400208081), (7, 57172583), (13, 30785237), (91, 4397891), (193, 2073617), (1351, 296231), (2509, 159509), (17563, 22787)]