256456882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{577}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 426980160

約数和(自身を除く): 170523278

約数列:

[1, 2, 11, 22, 89, 178, 227, 454, 577, 979, 1154, 1958, 2497, 4994, 6347, 12694, 20203, 40406, 51353, 102706, 130979, 222233, 261958, 444466, 564883, 1129766, 1440769, 2881538, 11657131, 23314262, 128228441, 256456882]

約数ペア:

[(1, 256456882), (2, 128228441), (11, 23314262), (22, 11657131), (89, 2881538), (178, 1440769), (227, 1129766), (454, 564883), (577, 444466), (979, 261958), (1154, 222233), (1958, 130979), (2497, 102706), (4994, 51353), (6347, 40406), (12694, 20203)]