620199376

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{399613}}^1$

素因数の和:399718

約数の個数: 20

約数和(自身を含む): 1214027332

約数和(自身を除く): 593827956

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 399613, 799226, 1598452, 3196904, 6393808, 38762461, 77524922, 155049844, 310099688, 620199376]

約数ペア:

[(1, 620199376), (2, 310099688), (4, 155049844), (8, 77524922), (16, 38762461), (97, 6393808), (194, 3196904), (388, 1598452), (776, 799226), (1552, 399613)]