1282490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 2566080

約数和(自身を除く): 1283590

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 131, 178, 262, 445, 655, 890, 979, 1310, 1441, 1958, 2882, 4895, 7205, 9790, 11659, 14410, 23318, 58295, 116590, 128249, 256498, 641245, 1282490]

約数ペア:

[(1, 1282490), (2, 641245), (5, 256498), (10, 128249), (11, 116590), (22, 58295), (55, 23318), (89, 14410), (110, 11659), (131, 9790), (178, 7205), (262, 4895), (445, 2882), (655, 1958), (890, 1441), (979, 1310)]