388698873

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{677}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 555330816

約数和(自身を除く): 166631943

約数列:

[1, 3, 23, 53, 69, 157, 159, 471, 677, 1219, 2031, 3611, 3657, 8321, 10833, 15571, 24963, 35881, 46713, 106289, 107643, 191383, 318867, 574149, 825263, 2444647, 2475789, 5633317, 7333941, 16899951, 129566291, 388698873]

約数ペア:

[(1, 388698873), (3, 129566291), (23, 16899951), (53, 7333941), (69, 5633317), (157, 2475789), (159, 2444647), (471, 825263), (677, 574149), (1219, 318867), (2031, 191383), (3611, 107643), (3657, 106289), (8321, 46713), (10833, 35881), (15571, 24963)]