81975476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{19207}}^1$

素因数の和:19319

約数の個数: 24

約数和(自身を含む): 158120256

約数和(自身を除く): 76144780

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 19207, 38414, 76828, 211277, 422554, 845108, 1863079, 3726158, 7452316, 20493869, 40987738, 81975476]

約数ペア:

[(1, 81975476), (2, 40987738), (4, 20493869), (11, 7452316), (22, 3726158), (44, 1863079), (97, 845108), (194, 422554), (388, 211277), (1067, 76828), (2134, 38414), (4268, 19207)]