28740310

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 53164512

約数和(自身を除く): 24424202

約数列:

[1, 2, 5, 10, 53, 106, 211, 257, 265, 422, 514, 530, 1055, 1285, 2110, 2570, 11183, 13621, 22366, 27242, 54227, 55915, 68105, 108454, 111830, 136210, 271135, 542270, 2874031, 5748062, 14370155, 28740310]

約数ペア:

[(1, 28740310), (2, 14370155), (5, 5748062), (10, 2874031), (53, 542270), (106, 271135), (211, 136210), (257, 111830), (265, 108454), (422, 68105), (514, 55915), (530, 54227), (1055, 27242), (1285, 22366), (2110, 13621), (2570, 11183)]