216804925

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{4919}}^1$

素因数の和:5013

約数の個数: 24

約数和(自身を含む): 281856960

約数和(自身を除く): 65052035

約数列:

[1, 5, 25, 41, 43, 205, 215, 1025, 1075, 1763, 4919, 8815, 24595, 44075, 122975, 201679, 211517, 1008395, 1057585, 5041975, 5287925, 8672197, 43360985, 216804925]

約数ペア:

[(1, 216804925), (5, 43360985), (25, 8672197), (41, 5287925), (43, 5041975), (205, 1057585), (215, 1008395), (1025, 211517), (1075, 201679), (1763, 122975), (4919, 44075), (8815, 24595)]