208393403418

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{634483}}^1$

素因数の和:634819

約数の個数: 48

約数和(自身を含む): 459660816576

約数和(自身を除く): 251267413158

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 257, 426, 514, 639, 771, 1278, 1542, 2313, 4626, 18247, 36494, 54741, 109482, 164223, 328446, 634483, 1268966, 1903449, 3806898, 5710347, 11420694, 45048293, 90096586, 135144879, 163062131, 270289758, 326124262, 405434637, 489186393, 810869274, 978372786, 1467559179, 2935118358, 11577411301, 23154822602, 34732233903, 69464467806, 104196701709, 208393403418]

約数ペア:

[(1, 208393403418), (2, 104196701709), (3, 69464467806), (6, 34732233903), (9, 23154822602), (18, 11577411301), (71, 2935118358), (142, 1467559179), (213, 978372786), (257, 810869274), (426, 489186393), (514, 405434637), (639, 326124262), (771, 270289758), (1278, 163062131), (1542, 135144879), (2313, 90096586), (4626, 45048293), (18247, 11420694), (36494, 5710347), (54741, 3806898), (109482, 1903449), (164223, 1268966), (328446, 634483)]