399530879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 474854400

約数和(自身を除く): 75323521

約数列:

[1, 11, 19, 47, 89, 209, 457, 517, 893, 979, 1691, 4183, 5027, 8683, 9823, 18601, 21479, 40673, 46013, 79477, 95513, 236269, 408101, 447403, 772787, 874247, 1911631, 4489111, 8500657, 21027941, 36320989, 399530879]

約数ペア:

[(1, 399530879), (11, 36320989), (19, 21027941), (47, 8500657), (89, 4489111), (209, 1911631), (457, 874247), (517, 772787), (893, 447403), (979, 408101), (1691, 236269), (4183, 95513), (5027, 79477), (8683, 46013), (9823, 40673), (18601, 21479)]