51113465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 69291936

約数和(自身を除く): 18178471

約数列:

[1, 5, 13, 37, 53, 65, 185, 265, 401, 481, 689, 1961, 2005, 2405, 3445, 5213, 9805, 14837, 21253, 25493, 26065, 74185, 106265, 127465, 192881, 276289, 786361, 964405, 1381445, 3931805, 10222693, 51113465]

約数ペア:

[(1, 51113465), (5, 10222693), (13, 3931805), (37, 1381445), (53, 964405), (65, 786361), (185, 276289), (265, 192881), (401, 127465), (481, 106265), (689, 74185), (1961, 26065), (2005, 25493), (2405, 21253), (3445, 14837), (5213, 9805)]