256331388

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{136057}}^1$

素因数の和:136221

約数の個数: 24

約数和(自身を含む): 601920592

約数和(自身を除く): 345589204

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 136057, 272114, 408171, 544228, 816342, 1632684, 21360949, 42721898, 64082847, 85443796, 128165694, 256331388]

約数ペア:

[(1, 256331388), (2, 128165694), (3, 85443796), (4, 64082847), (6, 42721898), (12, 21360949), (157, 1632684), (314, 816342), (471, 544228), (628, 408171), (942, 272114), (1884, 136057)]