256132331

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{148139}}^1$

素因数の和:148178

約数の個数: 16

約数和(自身を含む): 331833600

約数和(自身を除く): 75701269

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 148139, 1036973, 1925807, 2814641, 13480649, 19702487, 36590333, 256132331]

約数ペア:

[(1, 256132331), (7, 36590333), (13, 19702487), (19, 13480649), (91, 2814641), (133, 1925807), (247, 1036973), (1729, 148139)]