123389135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 164160000

約数和(自身を除く): 40770865

約数列:

[1, 5, 19, 23, 95, 115, 149, 379, 437, 745, 1895, 2185, 2831, 3427, 7201, 8717, 14155, 17135, 36005, 43585, 56471, 65113, 165623, 282355, 325565, 828115, 1072949, 1298833, 5364745, 6494165, 24677827, 123389135]

約数ペア:

[(1, 123389135), (5, 24677827), (19, 6494165), (23, 5364745), (95, 1298833), (115, 1072949), (149, 828115), (379, 325565), (437, 282355), (745, 165623), (1895, 65113), (2185, 56471), (2831, 43585), (3427, 36005), (7201, 17135), (8717, 14155)]