648173695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1201}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 923251392

約数和(自身を除く): 275077697

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 361, 437, 1201, 1235, 1495, 1805, 2185, 4693, 5681, 6005, 8303, 15613, 22819, 23465, 27623, 28405, 41515, 78065, 107939, 114095, 138115, 296647, 359099, 433561, 524837, 539695, 1483235, 1795495, 2167805, 2624185, 5636293, 6822881, 9971903, 28181465, 34114405, 49859515, 129634739, 648173695]

約数ペア:

[(1, 648173695), (5, 129634739), (13, 49859515), (19, 34114405), (23, 28181465), (65, 9971903), (95, 6822881), (115, 5636293), (247, 2624185), (299, 2167805), (361, 1795495), (437, 1483235), (1201, 539695), (1235, 524837), (1495, 433561), (1805, 359099), (2185, 296647), (4693, 138115), (5681, 114095), (6005, 107939), (8303, 78065), (15613, 41515), (22819, 28405), (23465, 27623)]