201721484

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{18671}}^1$

素因数の和:18785

約数の個数: 24

約数和(自身を含む): 367539648

約数和(自身を除く): 165818164

約数列:

[1, 2, 4, 37, 73, 74, 146, 148, 292, 2701, 5402, 10804, 18671, 37342, 74684, 690827, 1362983, 1381654, 2725966, 2763308, 5451932, 50430371, 100860742, 201721484]

約数ペア:

[(1, 201721484), (2, 100860742), (4, 50430371), (37, 5451932), (73, 2763308), (74, 2725966), (146, 1381654), (148, 1362983), (292, 690827), (2701, 74684), (5402, 37342), (10804, 18671)]