30861985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4219}}^1$

素因数の和:4261

約数の個数: 32

約数和(自身を含む): 48614400

約数和(自身を除く): 17752415

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 4219, 7315, 21095, 29533, 46409, 80161, 147665, 232045, 324863, 400805, 561127, 881771, 1624315, 2805635, 4408855, 6172397, 30861985]

約数ペア:

[(1, 30861985), (5, 6172397), (7, 4408855), (11, 2805635), (19, 1624315), (35, 881771), (55, 561127), (77, 400805), (95, 324863), (133, 232045), (209, 147665), (385, 80161), (665, 46409), (1045, 29533), (1463, 21095), (4219, 7315)]