15857954

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 28425600

約数和(自身を除く): 12567646

約数列:

[1, 2, 7, 14, 29, 58, 139, 203, 278, 281, 406, 562, 973, 1946, 1967, 3934, 4031, 8062, 8149, 16298, 28217, 39059, 56434, 57043, 78118, 114086, 273413, 546826, 1132711, 2265422, 7928977, 15857954]

約数ペア:

[(1, 15857954), (2, 7928977), (7, 2265422), (14, 1132711), (29, 546826), (58, 273413), (139, 114086), (203, 78118), (278, 57043), (281, 56434), (406, 39059), (562, 28217), (973, 16298), (1946, 8149), (1967, 8062), (3934, 4031)]