668889438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{224309}}^1$

素因数の和:224392

約数の個数: 32

約数和(自身を含む): 1550430720

約数和(自身を除く): 881541282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 224309, 448618, 672927, 1345854, 1570163, 3140326, 4710489, 9420978, 15925939, 31851878, 47777817, 95555634, 111481573, 222963146, 334444719, 668889438]

約数ペア:

[(1, 668889438), (2, 334444719), (3, 222963146), (6, 111481573), (7, 95555634), (14, 47777817), (21, 31851878), (42, 15925939), (71, 9420978), (142, 4710489), (213, 3140326), (426, 1570163), (497, 1345854), (994, 672927), (1491, 448618), (2982, 224309)]