1661120068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{159539}}^1$

素因数の和:159699

約数の個数: 24

約数和(自身を含む): 3082312800

約数和(自身を除く): 1421192732

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 2603, 5206, 10412, 159539, 319078, 638156, 3031241, 6062482, 12124964, 21856843, 43713686, 87427372, 415280017, 830560034, 1661120068]

約数ペア:

[(1, 1661120068), (2, 830560034), (4, 415280017), (19, 87427372), (38, 43713686), (76, 21856843), (137, 12124964), (274, 6062482), (548, 3031241), (2603, 638156), (5206, 319078), (10412, 159539)]