280689094

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1732

約数の個数: 32

約数和(自身を含む): 489968640

約数和(自身を除く): 209279546

約数列:

[1, 2, 7, 14, 97, 139, 194, 278, 679, 973, 1358, 1487, 1946, 2974, 10409, 13483, 20818, 26966, 94381, 144239, 188762, 206693, 288478, 413386, 1009673, 1446851, 2019346, 2893702, 20049221, 40098442, 140344547, 280689094]

約数ペア:

[(1, 280689094), (2, 140344547), (7, 40098442), (14, 20049221), (97, 2893702), (139, 2019346), (194, 1446851), (278, 1009673), (679, 413386), (973, 288478), (1358, 206693), (1487, 188762), (1946, 144239), (2974, 94381), (10409, 26966), (13483, 20818)]