255925439

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 342311424

約数和(自身を除く): 86385985

約数列:

[1, 7, 11, 23, 61, 77, 103, 161, 253, 427, 529, 671, 721, 1133, 1403, 1771, 2369, 3703, 4697, 5819, 6283, 7931, 9821, 15433, 16583, 26059, 32269, 40733, 43981, 54487, 69113, 108031, 144509, 182413, 225883, 354959, 381409, 483791, 599357, 1011563, 1589599, 2484713, 3323707, 4195499, 11127193, 23265949, 36560777, 255925439]

約数ペア:

[(1, 255925439), (7, 36560777), (11, 23265949), (23, 11127193), (61, 4195499), (77, 3323707), (103, 2484713), (161, 1589599), (253, 1011563), (427, 599357), (529, 483791), (671, 381409), (721, 354959), (1133, 225883), (1403, 182413), (1771, 144509), (2369, 108031), (3703, 69113), (4697, 54487), (5819, 43981), (6283, 40733), (7931, 32269), (9821, 26059), (15433, 16583)]