640428528038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{35533}}^1\times {\mathrm{4007}}^1$

素因数の和:39728

約数の個数: 32

約数和(自身を含む): 1040807347776

約数和(自身を除く): 400378819738

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4007, 4498, 8014, 35533, 52091, 71066, 104182, 461929, 693211, 923858, 1386422, 6147209, 9011743, 12294418, 18023486, 79913717, 142380731, 159827434, 284761462, 1850949503, 3701899006, 24631866463, 49263732926, 320214264019, 640428528038]

約数ペア:

[(1, 640428528038), (2, 320214264019), (13, 49263732926), (26, 24631866463), (173, 3701899006), (346, 1850949503), (2249, 284761462), (4007, 159827434), (4498, 142380731), (8014, 79913717), (35533, 18023486), (52091, 12294418), (71066, 9011743), (104182, 6147209), (461929, 1386422), (693211, 923858)]