7491990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 19948032

約数和(自身を除く): 12456042

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 73, 110, 146, 165, 219, 311, 330, 365, 438, 622, 730, 803, 933, 1095, 1555, 1606, 1866, 2190, 2409, 3110, 3421, 4015, 4665, 4818, 6842, 8030, 9330, 10263, 12045, 17105, 20526, 22703, 24090, 34210, 45406, 51315, 68109, 102630, 113515, 136218, 227030, 249733, 340545, 499466, 681090, 749199, 1248665, 1498398, 2497330, 3745995, 7491990]

約数ペア:

[(1, 7491990), (2, 3745995), (3, 2497330), (5, 1498398), (6, 1248665), (10, 749199), (11, 681090), (15, 499466), (22, 340545), (30, 249733), (33, 227030), (55, 136218), (66, 113515), (73, 102630), (110, 68109), (146, 51315), (165, 45406), (219, 34210), (311, 24090), (330, 22703), (365, 20526), (438, 17105), (622, 12045), (730, 10263), (803, 9330), (933, 8030), (1095, 6842), (1555, 4818), (1606, 4665), (1866, 4015), (2190, 3421), (2409, 3110)]