278364976

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{21191}}^1$

素因数の和:22020

約数の個数: 20

約数和(自身を含む): 540014544

約数和(自身を除く): 261649568

約数列:

[1, 2, 4, 8, 16, 821, 1642, 3284, 6568, 13136, 21191, 42382, 84764, 169528, 339056, 17397811, 34795622, 69591244, 139182488, 278364976]

約数ペア:

[(1, 278364976), (2, 139182488), (4, 69591244), (8, 34795622), (16, 17397811), (821, 339056), (1642, 169528), (3284, 84764), (6568, 42382), (13136, 21191)]