661870946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{863}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 1101828096

約数和(自身を除く): 439957150

約数列:

[1, 2, 11, 22, 71, 142, 491, 781, 863, 982, 1562, 1726, 5401, 9493, 10802, 18986, 34861, 61273, 69722, 122546, 383471, 423733, 674003, 766942, 847466, 1348006, 4661063, 9322126, 30085043, 60170086, 330935473, 661870946]

約数ペア:

[(1, 661870946), (2, 330935473), (11, 60170086), (22, 30085043), (71, 9322126), (142, 4661063), (491, 1348006), (781, 847466), (863, 766942), (982, 674003), (1562, 423733), (1726, 383471), (5401, 122546), (9493, 69722), (10802, 61273), (18986, 34861)]