402238991

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1129}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 511673040

約数和(自身を除く): 109434049

約数列:

[1, 7, 11, 49, 77, 539, 661, 1129, 4627, 7271, 7903, 12419, 32389, 50897, 55321, 86933, 356279, 608531, 746269, 5223883, 8208959, 36567181, 57462713, 402238991]

約数ペア:

[(1, 402238991), (7, 57462713), (11, 36567181), (49, 8208959), (77, 5223883), (539, 746269), (661, 608531), (1129, 356279), (4627, 86933), (7271, 55321), (7903, 50897), (12419, 32389)]