399499184

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{209821}}^1$

素因数の和:209853

約数の個数: 40

約数和(自身を含む): 936645408

約数和(自身を除く): 537146224

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 209821, 419642, 839284, 1468747, 1678568, 2937494, 3357136, 3566957, 5874988, 7133914, 11749976, 14267828, 23499952, 24968699, 28535656, 49937398, 57071312, 99874796, 199749592, 399499184]

約数ペア:

[(1, 399499184), (2, 199749592), (4, 99874796), (7, 57071312), (8, 49937398), (14, 28535656), (16, 24968699), (17, 23499952), (28, 14267828), (34, 11749976), (56, 7133914), (68, 5874988), (112, 3566957), (119, 3357136), (136, 2937494), (238, 1678568), (272, 1468747), (476, 839284), (952, 419642), (1904, 209821)]