260520026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{10111}}^1$

素因数の和:11117

約数の個数: 16

約数和(自身を含む): 421306368

約数和(自身を除く): 160786342

約数列:

[1, 2, 13, 26, 991, 1982, 10111, 12883, 20222, 25766, 131443, 262886, 10020001, 20040002, 130260013, 260520026]

約数ペア:

[(1, 260520026), (2, 130260013), (13, 20040002), (26, 10020001), (991, 262886), (1982, 131443), (10111, 25766), (12883, 20222)]