261555371

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{64091}}^1$

素因数の和:64162

約数の個数: 16

約数和(自身を含む): 332252928

約数和(自身を除く): 70697557

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 64091, 448637, 705001, 3396823, 4935007, 23777761, 37365053, 261555371]

約数ペア:

[(1, 261555371), (7, 37365053), (11, 23777761), (53, 4935007), (77, 3396823), (371, 705001), (583, 448637), (4081, 64091)]