661567438

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{2339}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 1152403200

約数和(自身を除く): 490835762

約数列:

[1, 2, 7, 14, 89, 178, 227, 454, 623, 1246, 1589, 2339, 3178, 4678, 16373, 20203, 32746, 40406, 141421, 208171, 282842, 416342, 530953, 1061906, 1457197, 2914394, 3716671, 7433342, 47254817, 94509634, 330783719, 661567438]

約数ペア:

[(1, 661567438), (2, 330783719), (7, 94509634), (14, 47254817), (89, 7433342), (178, 3716671), (227, 2914394), (454, 1457197), (623, 1061906), (1246, 530953), (1589, 416342), (2339, 282842), (3178, 208171), (4678, 141421), (16373, 40406), (20203, 32746)]