128640659

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{1229}}^1$

素因数の和:2042

約数の個数: 16

約数和(自身を含む): 155078400

約数和(自身を除く): 26437741

約数列:

[1, 7, 19, 133, 787, 1229, 5509, 8603, 14953, 23351, 104671, 163457, 967223, 6770561, 18377237, 128640659]

約数ペア:

[(1, 128640659), (7, 18377237), (19, 6770561), (133, 967223), (787, 163457), (1229, 104671), (5509, 23351), (8603, 14953)]