27720237196

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^2\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 52492512240

約数和(自身を除く): 24772275044

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 193, 284, 386, 419, 772, 838, 1207, 1676, 2414, 3281, 4828, 5041, 6562, 7123, 10082, 13124, 13703, 14246, 20164, 27406, 28492, 29749, 54812, 59498, 80867, 85697, 118996, 161734, 171394, 232951, 323468, 342788, 465902, 505733, 931804, 972913, 1011466, 1374739, 1945826, 2022932, 2112179, 2749478, 3891652, 4224358, 5498956, 5741557, 8448716, 11483114, 16539521, 22966228, 33079042, 35907043, 66158084, 71814086, 97606469, 143628172, 195212938, 390425876, 407650547, 815301094, 1630602188, 6930059299, 13860118598, 27720237196]

約数ペア:

[(1, 27720237196), (2, 13860118598), (4, 6930059299), (17, 1630602188), (34, 815301094), (68, 407650547), (71, 390425876), (142, 195212938), (193, 143628172), (284, 97606469), (386, 71814086), (419, 66158084), (772, 35907043), (838, 33079042), (1207, 22966228), (1676, 16539521), (2414, 11483114), (3281, 8448716), (4828, 5741557), (5041, 5498956), (6562, 4224358), (7123, 3891652), (10082, 2749478), (13124, 2112179), (13703, 2022932), (14246, 1945826), (20164, 1374739), (27406, 1011466), (28492, 972913), (29749, 931804), (54812, 505733), (59498, 465902), (80867, 342788), (85697, 323468), (118996, 232951), (161734, 171394)]