218523318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{26183}}^1$

素因数の和:26308

約数の個数: 32

約数和(自身を含む): 475082496

約数和(自身を除く): 256559178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 107, 214, 321, 642, 1391, 2782, 4173, 8346, 26183, 52366, 78549, 157098, 340379, 680758, 1021137, 2042274, 2801581, 5603162, 8404743, 16809486, 36420553, 72841106, 109261659, 218523318]

約数ペア:

[(1, 218523318), (2, 109261659), (3, 72841106), (6, 36420553), (13, 16809486), (26, 8404743), (39, 5603162), (78, 2801581), (107, 2042274), (214, 1021137), (321, 680758), (642, 340379), (1391, 157098), (2782, 78549), (4173, 52366), (8346, 26183)]