89891396

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 184504320

約数和(自身を除く): 94612924

約数列:

[1, 2, 4, 7, 14, 28, 71, 103, 142, 206, 284, 412, 439, 497, 721, 878, 994, 1442, 1756, 1988, 2884, 3073, 6146, 7313, 12292, 14626, 29252, 31169, 45217, 51191, 62338, 90434, 102382, 124676, 180868, 204764, 218183, 316519, 436366, 633038, 872732, 1266076, 3210407, 6420814, 12841628, 22472849, 44945698, 89891396]

約数ペア:

[(1, 89891396), (2, 44945698), (4, 22472849), (7, 12841628), (14, 6420814), (28, 3210407), (71, 1266076), (103, 872732), (142, 633038), (206, 436366), (284, 316519), (412, 218183), (439, 204764), (497, 180868), (721, 124676), (878, 102382), (994, 90434), (1442, 62338), (1756, 51191), (1988, 45217), (2884, 31169), (3073, 29252), (6146, 14626), (7313, 12292)]