81556706

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7459}}^1$

素因数の和:7550

約数の個数: 32

約数和(自身を含む): 154690560

約数和(自身を除く): 73133854

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 5467, 7459, 10934, 14918, 52213, 82049, 104426, 164098, 529589, 574343, 1059178, 1148686, 3707123, 5825479, 7414246, 11650958, 40778353, 81556706]

約数ペア:

[(1, 81556706), (2, 40778353), (7, 11650958), (11, 7414246), (14, 5825479), (22, 3707123), (71, 1148686), (77, 1059178), (142, 574343), (154, 529589), (497, 164098), (781, 104426), (994, 82049), (1562, 52213), (5467, 14918), (7459, 10934)]