207988455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 369266688

約数和(自身を除く): 161278233

約数列:

[1, 3, 5, 15, 17, 31, 51, 83, 85, 93, 155, 249, 255, 317, 415, 465, 527, 951, 1245, 1411, 1581, 1585, 2573, 2635, 4233, 4755, 5389, 7055, 7719, 7905, 9827, 12865, 16167, 21165, 26311, 26945, 29481, 38595, 43741, 49135, 78933, 80835, 131223, 131555, 147405, 167059, 218705, 394665, 447287, 501177, 656115, 815641, 835295, 1341861, 2236435, 2446923, 2505885, 4078205, 6709305, 12234615, 13865897, 41597691, 69329485, 207988455]

約数ペア:

[(1, 207988455), (3, 69329485), (5, 41597691), (15, 13865897), (17, 12234615), (31, 6709305), (51, 4078205), (83, 2505885), (85, 2446923), (93, 2236435), (155, 1341861), (249, 835295), (255, 815641), (317, 656115), (415, 501177), (465, 447287), (527, 394665), (951, 218705), (1245, 167059), (1411, 147405), (1581, 131555), (1585, 131223), (2573, 80835), (2635, 78933), (4233, 49135), (4755, 43741), (5389, 38595), (7055, 29481), (7719, 26945), (7905, 26311), (9827, 21165), (12865, 16167)]