87861998

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{28921}}^1$

素因数の和:28968

約数の個数: 24

約数和(自身を含む): 158261184

約数和(自身を除く): 70399186

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 28921, 57842, 202447, 404894, 896551, 1417129, 1793102, 2834258, 6275857, 12551714, 43930999, 87861998]

約数ペア:

[(1, 87861998), (2, 43930999), (7, 12551714), (14, 6275857), (31, 2834258), (49, 1793102), (62, 1417129), (98, 896551), (217, 404894), (434, 202447), (1519, 57842), (3038, 28921)]