215988226

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{28219}}^1$

素因数の和:28353

約数の個数: 16

約数和(自身を含む): 335253600

約数和(自身を除く): 119265374

約数列:

[1, 2, 43, 86, 89, 178, 3827, 7654, 28219, 56438, 1213417, 2426834, 2511491, 5022982, 107994113, 215988226]

約数ペア:

[(1, 215988226), (2, 107994113), (43, 5022982), (86, 2511491), (89, 2426834), (178, 1213417), (3827, 56438), (7654, 28219)]