388919984

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{177427}}^1$

素因数の和:177572

約数の個数: 20

約数和(自身を含む): 759036984

約数和(自身を除く): 370117000

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 177427, 354854, 709708, 1419416, 2838832, 24307499, 48614998, 97229996, 194459992, 388919984]

約数ペア:

[(1, 388919984), (2, 194459992), (4, 97229996), (8, 48614998), (16, 24307499), (137, 2838832), (274, 1419416), (548, 709708), (1096, 354854), (2192, 177427)]