217407384

素因数分解:

$2^3\times 3^2\times {\mathrm{151}}^1\times {\mathrm{19997}}^1$

素因数の和:20160

約数の個数: 48

約数和(自身を含む): 592740720

約数和(自身を除く): 375333336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 151, 302, 453, 604, 906, 1208, 1359, 1812, 2718, 3624, 5436, 10872, 19997, 39994, 59991, 79988, 119982, 159976, 179973, 239964, 359946, 479928, 719892, 1439784, 3019547, 6039094, 9058641, 12078188, 18117282, 24156376, 27175923, 36234564, 54351846, 72469128, 108703692, 217407384]

約数ペア:

[(1, 217407384), (2, 108703692), (3, 72469128), (4, 54351846), (6, 36234564), (8, 27175923), (9, 24156376), (12, 18117282), (18, 12078188), (24, 9058641), (36, 6039094), (72, 3019547), (151, 1439784), (302, 719892), (453, 479928), (604, 359946), (906, 239964), (1208, 179973), (1359, 159976), (1812, 119982), (2718, 79988), (3624, 59991), (5436, 39994), (10872, 19997)]