2730238

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 4999680

約数和(自身を除く): 2269442

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 139, 161, 278, 322, 427, 854, 973, 1403, 1946, 2806, 3197, 6394, 8479, 9821, 16958, 19642, 22379, 44758, 59353, 118706, 195017, 390034, 1365119, 2730238]

約数ペア:

[(1, 2730238), (2, 1365119), (7, 390034), (14, 195017), (23, 118706), (46, 59353), (61, 44758), (122, 22379), (139, 19642), (161, 16958), (278, 9821), (322, 8479), (427, 6394), (854, 3197), (973, 2806), (1403, 1946)]