161651908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{673}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 317955456

約数和(自身を除く): 156303548

約数列:

[1, 2, 4, 11, 22, 44, 53, 103, 106, 206, 212, 412, 583, 673, 1133, 1166, 1346, 2266, 2332, 2692, 4532, 5459, 7403, 10918, 14806, 21836, 29612, 35669, 60049, 69319, 71338, 120098, 138638, 142676, 240196, 277276, 392359, 762509, 784718, 1525018, 1569436, 3050036, 3673907, 7347814, 14695628, 40412977, 80825954, 161651908]

約数ペア:

[(1, 161651908), (2, 80825954), (4, 40412977), (11, 14695628), (22, 7347814), (44, 3673907), (53, 3050036), (103, 1569436), (106, 1525018), (206, 784718), (212, 762509), (412, 392359), (583, 277276), (673, 240196), (1133, 142676), (1166, 138638), (1346, 120098), (2266, 71338), (2332, 69319), (2692, 60049), (4532, 35669), (5459, 29612), (7403, 21836), (10918, 14806)]