81648928

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{134291}}^1$

素因数の和:134320

約数の個数: 24

約数和(自身を含む): 169207920

約数和(自身を除く): 87558992

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 134291, 268582, 537164, 1074328, 2148656, 2551529, 4297312, 5103058, 10206116, 20412232, 40824464, 81648928]

約数ペア:

[(1, 81648928), (2, 40824464), (4, 20412232), (8, 10206116), (16, 5103058), (19, 4297312), (32, 2551529), (38, 2148656), (76, 1074328), (152, 537164), (304, 268582), (608, 134291)]