289325855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{27647}}^1$

素因数の和:27695

約数の個数: 32

約数和(自身を含む): 445906944

約数和(自身を除く): 156581089

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 10465, 27647, 138235, 193529, 359411, 635881, 967645, 1797055, 2515877, 3179405, 4451167, 8266453, 12579385, 22255835, 41332265, 57865171, 289325855]

約数ペア:

[(1, 289325855), (5, 57865171), (7, 41332265), (13, 22255835), (23, 12579385), (35, 8266453), (65, 4451167), (91, 3179405), (115, 2515877), (161, 1797055), (299, 967645), (455, 635881), (805, 359411), (1495, 193529), (2093, 138235), (10465, 27647)]