128531634

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{278207}}^1$

素因数の和:278230

約数の個数: 32

約数和(自身を含む): 320495616

約数和(自身を除く): 191963982

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 278207, 556414, 834621, 1669242, 1947449, 3060277, 3894898, 5842347, 6120554, 9180831, 11684694, 18361662, 21421939, 42843878, 64265817, 128531634]

約数ペア:

[(1, 128531634), (2, 64265817), (3, 42843878), (6, 21421939), (7, 18361662), (11, 11684694), (14, 9180831), (21, 6120554), (22, 5842347), (33, 3894898), (42, 3060277), (66, 1947449), (77, 1669242), (154, 834621), (231, 556414), (462, 278207)]