218369816

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{15173}}^1$

素因数の和:15443

約数の個数: 32

約数和(自身を含む): 469787040

約数和(自身を除く): 251417224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1799, 2056, 3598, 7196, 14392, 15173, 30346, 60692, 106211, 121384, 212422, 424844, 849688, 3899461, 7798922, 15597844, 27296227, 31195688, 54592454, 109184908, 218369816]

約数ペア:

[(1, 218369816), (2, 109184908), (4, 54592454), (7, 31195688), (8, 27296227), (14, 15597844), (28, 7798922), (56, 3899461), (257, 849688), (514, 424844), (1028, 212422), (1799, 121384), (2056, 106211), (3598, 60692), (7196, 30346), (14392, 15173)]