78720404

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{165379}}^1$

素因数の和:165407

約数の個数: 24

約数和(自身を含む): 166703040

約数和(自身を除く): 87982636

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 165379, 330758, 661516, 1157653, 2315306, 2811443, 4630612, 5622886, 11245772, 19680101, 39360202, 78720404]

約数ペア:

[(1, 78720404), (2, 39360202), (4, 19680101), (7, 11245772), (14, 5622886), (17, 4630612), (28, 2811443), (34, 2315306), (68, 1157653), (119, 661516), (238, 330758), (476, 165379)]