129128748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1537247}}^1$

素因数の和:1537261

約数の個数: 24

約数和(自身を含む): 344343552

約数和(自身を除く): 215214804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1537247, 3074494, 4611741, 6148988, 9223482, 10760729, 18446964, 21521458, 32282187, 43042916, 64564374, 129128748]

約数ペア:

[(1, 129128748), (2, 64564374), (3, 43042916), (4, 32282187), (6, 21521458), (7, 18446964), (12, 10760729), (14, 9223482), (21, 6148988), (28, 4611741), (42, 3074494), (84, 1537247)]