256528085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1361}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 353030400

約数和(自身を除く): 96502315

約数列:

[1, 5, 11, 23, 55, 115, 149, 253, 745, 1265, 1361, 1639, 3427, 6805, 8195, 14971, 17135, 31303, 37697, 74855, 156515, 188485, 202789, 344333, 1013945, 1721665, 2230679, 4664147, 11153395, 23320735, 51305617, 256528085]

約数ペア:

[(1, 256528085), (5, 51305617), (11, 23320735), (23, 11153395), (55, 4664147), (115, 2230679), (149, 1721665), (253, 1013945), (745, 344333), (1265, 202789), (1361, 188485), (1639, 156515), (3427, 74855), (6805, 37697), (8195, 31303), (14971, 17135)]