81309342

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 175177728

約数和(自身を除く): 93868386

約数列:

[1, 2, 3, 6, 31, 47, 62, 71, 93, 94, 131, 141, 142, 186, 213, 262, 282, 393, 426, 786, 1457, 2201, 2914, 3337, 4061, 4371, 4402, 6157, 6603, 6674, 8122, 8742, 9301, 10011, 12183, 12314, 13206, 18471, 18602, 20022, 24366, 27903, 36942, 55806, 103447, 190867, 206894, 288331, 310341, 381734, 437147, 572601, 576662, 620682, 864993, 874294, 1145202, 1311441, 1729986, 2622882, 13551557, 27103114, 40654671, 81309342]

約数ペア:

[(1, 81309342), (2, 40654671), (3, 27103114), (6, 13551557), (31, 2622882), (47, 1729986), (62, 1311441), (71, 1145202), (93, 874294), (94, 864993), (131, 620682), (141, 576662), (142, 572601), (186, 437147), (213, 381734), (262, 310341), (282, 288331), (393, 206894), (426, 190867), (786, 103447), (1457, 55806), (2201, 36942), (2914, 27903), (3337, 24366), (4061, 20022), (4371, 18602), (4402, 18471), (6157, 13206), (6603, 12314), (6674, 12183), (8122, 10011), (8742, 9301)]