217303918

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{8807}}^1$

素因数の和:8908

約数の個数: 24

約数和(自身を含む): 357833808

約数和(自身を除く): 140529890

約数列:

[1, 2, 13, 26, 73, 146, 169, 338, 949, 1898, 8807, 12337, 17614, 24674, 114491, 228982, 642911, 1285822, 1488383, 2976766, 8357843, 16715686, 108651959, 217303918]

約数ペア:

[(1, 217303918), (2, 108651959), (13, 16715686), (26, 8357843), (73, 2976766), (146, 1488383), (169, 1285822), (338, 642911), (949, 228982), (1898, 114491), (8807, 24674), (12337, 17614)]