220170158

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 362426400

約数和(自身を除く): 142256242

約数列:

[1, 2, 13, 26, 89, 169, 178, 338, 563, 1126, 1157, 2197, 2314, 4394, 7319, 14638, 15041, 30082, 50107, 95147, 100214, 190294, 195533, 391066, 651391, 1236911, 1302782, 2473822, 8468083, 16936166, 110085079, 220170158]

約数ペア:

[(1, 220170158), (2, 110085079), (13, 16936166), (26, 8468083), (89, 2473822), (169, 1302782), (178, 1236911), (338, 651391), (563, 391066), (1126, 195533), (1157, 190294), (2197, 100214), (2314, 95147), (4394, 50107), (7319, 30082), (14638, 15041)]