247434516

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{140269}}^1$

素因数の和:140293

約数の個数: 54

約数和(自身を含む): 727580490

約数和(自身を除く): 480145974

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 140269, 280538, 420807, 561076, 841614, 981883, 1262421, 1683228, 1963766, 2524842, 2945649, 3927532, 5049684, 5891298, 6873181, 8836947, 11782596, 13746362, 17673894, 20619543, 27492724, 35347788, 41239086, 61858629, 82478172, 123717258, 247434516]

約数ペア:

[(1, 247434516), (2, 123717258), (3, 82478172), (4, 61858629), (6, 41239086), (7, 35347788), (9, 27492724), (12, 20619543), (14, 17673894), (18, 13746362), (21, 11782596), (28, 8836947), (36, 6873181), (42, 5891298), (49, 5049684), (63, 3927532), (84, 2945649), (98, 2524842), (126, 1963766), (147, 1683228), (196, 1262421), (252, 981883), (294, 841614), (441, 561076), (588, 420807), (882, 280538), (1764, 140269)]