1313784

素因数分解:

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

素因数の和:340

約数の個数: 48

約数和(自身を含む): 3622320

約数和(自身を除く): 2308536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 257, 284, 426, 514, 568, 639, 771, 852, 1028, 1278, 1542, 1704, 2056, 2313, 2556, 3084, 4626, 5112, 6168, 9252, 18247, 18504, 36494, 54741, 72988, 109482, 145976, 164223, 218964, 328446, 437928, 656892, 1313784]

約数ペア:

[(1, 1313784), (2, 656892), (3, 437928), (4, 328446), (6, 218964), (8, 164223), (9, 145976), (12, 109482), (18, 72988), (24, 54741), (36, 36494), (71, 18504), (72, 18247), (142, 9252), (213, 6168), (257, 5112), (284, 4626), (426, 3084), (514, 2556), (568, 2313), (639, 2056), (771, 1704), (852, 1542), (1028, 1278)]