16400574

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 37031904

約数和(自身を除く): 20631330

約数列:

[1, 2, 3, 6, 9, 18, 41, 71, 82, 123, 142, 213, 246, 313, 369, 426, 626, 639, 738, 939, 1278, 1878, 2817, 2911, 5634, 5822, 8733, 12833, 17466, 22223, 25666, 26199, 38499, 44446, 52398, 66669, 76998, 115497, 133338, 200007, 230994, 400014, 911143, 1822286, 2733429, 5466858, 8200287, 16400574]

約数ペア:

[(1, 16400574), (2, 8200287), (3, 5466858), (6, 2733429), (9, 1822286), (18, 911143), (41, 400014), (71, 230994), (82, 200007), (123, 133338), (142, 115497), (213, 76998), (246, 66669), (313, 52398), (369, 44446), (426, 38499), (626, 26199), (639, 25666), (738, 22223), (939, 17466), (1278, 12833), (1878, 8733), (2817, 5822), (2911, 5634)]