389664898

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{5851}}^1$

素因数の和:5998

約数の個数: 32

約数和(自身を含む): 687633408

約数和(自身を除く): 297968510

約数列:

[1, 2, 7, 14, 67, 71, 134, 142, 469, 497, 938, 994, 4757, 5851, 9514, 11702, 33299, 40957, 66598, 81914, 392017, 415421, 784034, 830842, 2744119, 2907947, 5488238, 5815894, 27833207, 55666414, 194832449, 389664898]

約数ペア:

[(1, 389664898), (2, 194832449), (7, 55666414), (14, 27833207), (67, 5815894), (71, 5488238), (134, 2907947), (142, 2744119), (469, 830842), (497, 784034), (938, 415421), (994, 392017), (4757, 81914), (5851, 66598), (9514, 40957), (11702, 33299)]