161865818

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 257507328

約数和(自身を除く): 95641510

約数列:

[1, 2, 31, 61, 62, 122, 127, 254, 337, 674, 1891, 3782, 3937, 7747, 7874, 10447, 15494, 20557, 20894, 41114, 42799, 85598, 240157, 480314, 637267, 1274534, 1326769, 2610739, 2653538, 5221478, 80932909, 161865818]

約数ペア:

[(1, 161865818), (2, 80932909), (31, 5221478), (61, 2653538), (62, 2610739), (122, 1326769), (127, 1274534), (254, 637267), (337, 480314), (674, 240157), (1891, 85598), (3782, 42799), (3937, 41114), (7747, 20894), (7874, 20557), (10447, 15494)]