256926238

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 412542720

約数和(自身を除く): 155616482

約数列:

[1, 2, 23, 46, 59, 118, 137, 274, 691, 1357, 1382, 2714, 3151, 6302, 8083, 15893, 16166, 31786, 40769, 81538, 94667, 185909, 189334, 371818, 937687, 1875374, 2177341, 4354682, 5585353, 11170706, 128463119, 256926238]

約数ペア:

[(1, 256926238), (2, 128463119), (23, 11170706), (46, 5585353), (59, 4354682), (118, 2177341), (137, 1875374), (274, 937687), (691, 371818), (1357, 189334), (1382, 185909), (2714, 94667), (3151, 81538), (6302, 40769), (8083, 31786), (15893, 16166)]