256640270398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{328184489}}^1$

素因数の和:328184531

約数の個数: 16

約数和(自身を含む): 425327099040

約数和(自身を除く): 168686828642

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 328184489, 656368978, 5579136313, 7548243247, 11158272626, 15096486494, 128320135199, 256640270398]

約数ペア:

[(1, 256640270398), (2, 128320135199), (17, 15096486494), (23, 11158272626), (34, 7548243247), (46, 5579136313), (391, 656368978), (782, 328184489)]