1281581854

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1447}}^1\times {\mathrm{1543}}^1$

素因数の和:3040

約数の個数: 32

約数和(自身を含む): 2253597696

約数和(自身を除く): 972015842

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 1447, 1543, 2894, 3086, 10129, 10801, 20258, 21602, 59327, 63263, 118654, 126526, 415289, 442841, 830578, 885682, 2232721, 4465442, 15629047, 31258094, 91541561, 183083122, 640790927, 1281581854]

約数ペア:

[(1, 1281581854), (2, 640790927), (7, 183083122), (14, 91541561), (41, 31258094), (82, 15629047), (287, 4465442), (574, 2232721), (1447, 885682), (1543, 830578), (2894, 442841), (3086, 415289), (10129, 126526), (10801, 118654), (20258, 63263), (21602, 59327)]