278384

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 20

約数和(自身を含む): 547584

約数和(自身を除く): 269200

約数列:

[1, 2, 4, 8, 16, 127, 137, 254, 274, 508, 548, 1016, 1096, 2032, 2192, 17399, 34798, 69596, 139192, 278384]

約数ペア:

[(1, 278384), (2, 139192), (4, 69596), (8, 34798), (16, 17399), (127, 2192), (137, 2032), (254, 1096), (274, 1016), (508, 548)]