388638785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1777}}^1$

素因数の和:1913

約数の個数: 32

約数和(自身を含む): 516160512

約数和(自身を除く): 127521727

約数列:

[1, 5, 17, 31, 83, 85, 155, 415, 527, 1411, 1777, 2573, 2635, 7055, 8885, 12865, 30209, 43741, 55087, 147491, 151045, 218705, 275435, 737455, 936479, 2507347, 4572221, 4682395, 12536735, 22861105, 77727757, 388638785]

約数ペア:

[(1, 388638785), (5, 77727757), (17, 22861105), (31, 12536735), (83, 4682395), (85, 4572221), (155, 2507347), (415, 936479), (527, 737455), (1411, 275435), (1777, 218705), (2573, 151045), (2635, 147491), (7055, 55087), (8885, 43741), (12865, 30209)]