381468868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{457}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 744202368

約数和(自身を除く): 362733500

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 311, 457, 622, 671, 914, 1244, 1342, 1828, 2684, 3421, 5027, 6842, 10054, 13684, 18971, 20108, 27877, 37942, 55754, 75884, 111508, 142127, 208681, 284254, 306647, 417362, 568508, 613294, 834724, 1226588, 1563397, 3126794, 6253588, 8669747, 17339494, 34678988, 95367217, 190734434, 381468868]

約数ペア:

[(1, 381468868), (2, 190734434), (4, 95367217), (11, 34678988), (22, 17339494), (44, 8669747), (61, 6253588), (122, 3126794), (244, 1563397), (311, 1226588), (457, 834724), (622, 613294), (671, 568508), (914, 417362), (1244, 306647), (1342, 284254), (1828, 208681), (2684, 142127), (3421, 111508), (5027, 75884), (6842, 55754), (10054, 37942), (13684, 27877), (18971, 20108)]