81090926

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 141834240

約数和(自身を除く): 60743314

約数列:

[1, 2, 7, 14, 89, 151, 178, 302, 431, 623, 862, 1057, 1246, 2114, 3017, 6034, 13439, 26878, 38359, 65081, 76718, 94073, 130162, 188146, 268513, 455567, 537026, 911134, 5792209, 11584418, 40545463, 81090926]

約数ペア:

[(1, 81090926), (2, 40545463), (7, 11584418), (14, 5792209), (89, 911134), (151, 537026), (178, 455567), (302, 268513), (431, 188146), (623, 130162), (862, 94073), (1057, 76718), (1246, 65081), (2114, 38359), (3017, 26878), (6034, 13439)]