278330672

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{31231}}^1$

素因数の和:31796

約数の個数: 20

約数和(自身を含む): 540251136

約数和(自身を除く): 261920464

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 31231, 62462, 124924, 249848, 499696, 17395667, 34791334, 69582668, 139165336, 278330672]

約数ペア:

[(1, 278330672), (2, 139165336), (4, 69582668), (8, 34791334), (16, 17395667), (557, 499696), (1114, 249848), (2228, 124924), (4456, 62462), (8912, 31231)]