1278998

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 24

約数和(自身を含む): 2309184

約数和(自身を除く): 1030186

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 421, 434, 842, 1519, 2947, 3038, 5894, 13051, 20629, 26102, 41258, 91357, 182714, 639499, 1278998]

約数ペア:

[(1, 1278998), (2, 639499), (7, 182714), (14, 91357), (31, 41258), (49, 26102), (62, 20629), (98, 13051), (217, 5894), (421, 3038), (434, 2947), (842, 1519)]