211345516

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{8969}}^1$

素因数の和:9153

約数の個数: 24

約数和(自身を含む): 381260880

約数和(自身を除く): 169915364

約数列:

[1, 2, 4, 43, 86, 137, 172, 274, 548, 5891, 8969, 11782, 17938, 23564, 35876, 385667, 771334, 1228753, 1542668, 2457506, 4915012, 52836379, 105672758, 211345516]

約数ペア:

[(1, 211345516), (2, 105672758), (4, 52836379), (43, 4915012), (86, 2457506), (137, 1542668), (172, 1228753), (274, 771334), (548, 385667), (5891, 35876), (8969, 23564), (11782, 17938)]